Do you fly drones after sunset or before sunrise?
Concerned about FAA regulations about drone lighting?
Then the DroMight White Anti Collision Drone Strobe Light is just what the doctor ordered!!!
This is a small, fully self-contained, light weight (8 grams) strobe that easily attaches to most any drone, and it's stupid bright!!! Even in direct sunlight, it left me seeing spots for several minutes.
It uses a high-powered (3-watt) phosphor white LED. It also features a rechargeable battery so it doesn't use a single microjoule of your drone's battery -- and no silly extra wiring that could become hung up in props or otherwise become a nusiance.
The DroMight comes as a kit that you can use on most any drone, plus it comes in model-specific variations that are specifically designed to fit the landing sprigs (legs) and/or pylons (arms) (and side rails of the DJI Inspire) of various DJI and Yuneec drones.
To wit:
DJI Matrice 200 (Pylons and landing sprigs)
DJI Matrice 210 (Pylons and landing sprigs)
DJI Matrice 210 RTK (Pylons and landing sprigs)
DJI Phantom 4 Pro Version 1 and Version 2 (Landing sprigs)
DJI Phantom 4 Pro+ (Landing sprigs)
DJI Phantom 4 RTK (Landing sprigs)
DJI Phantom 4 Standard and Advanced (Landing sprigs)
DJI Inspire 2 (Side Rails)
Yuneec H520 (Pylons and landing sprigs)
Yuneec Typhoon H Plus (Pylons and landing sprigs)
Yuneec Typhoon H (Pylons and landing sprigs)
SIZE
As with any rechargeable product, charge it first (see directly below) and then you'll be ready to rock.
(For this specific model!): Affix the unit to your drone using the furnished piece of 3M Dual Lock -- be certain that the area you intend to fasten the strobe to is clean and dry first.
To power it on, press & hold the small white pushbutton switch for two seconds. The unit should then give two long flashes -- letting go of the button now causes the unit to blaze to life -- possibly giving you the "gift" of temporary flashblindness in the process!
There is an advisory in the instructional materials advising you not to look at the LED when the unit is powered on; if I were you I'd heed this warning or you will very likely be a bit sorry.
The unit should enter strobe (short blink) mode with the flash rate being approx. 0.75Hz (one flash every 1½ seconds) -- this is actually three flashes in rapid succession every 1½ seconds.
To neutralise the product when you are finished using it, press & hold the small white pushbutton switch for two seconds or until the unit emits two brief flashes.
To charge the battery in the DroMight White Anti Collision Drone Strobe Light, plug the larger end of a USB charge cable (that you'll need to procure yourself if you don't already have one on hand -- it has a standard male USB plug on one end and a male MicroUSB plug on the other) into any USB port on a PC or Mac computer, or into a USB "wall wart" charger often used to charge cellular telephone handsets, and plug the smaller end into the female MicroUSB receptacle on the strobe.
You can also charge the DroMight White Anti Collision Drone Strobe Light in the field if necessary, using a USB power bank often used for charging cellular telephones. I always have an Atomic Charge Wallet on my person; a product like this is perefectly kosher.
When charging, the LED very briefly emits fairly weak flashes of light at approx. 0.75Hz (one flash every 1½ seconds); this indicates that the product is receiving power and is charging.
Once the charge cycle is complete, the light will switch to a long flashing.
The Li:Po cell has inbuilt overcharge protection, so no damage will occur if you plug it into the charger and subsequently forget about it.
It is advertised to take approx. two hours (120 minutes) to charge.
A full charge can last 3+ hours.
To check the battery, just quickly press & release the button. If the unit flashes three times, that means that the battery is at or near full charge. If it blinks two times, that tells you that the battery is approximately 30% depleted. And if it blinks just once, you'll probably want to feed it (recharge it) at your earliest convenience.
The battery is a 3.7 volts, 0.26wH (70.27mAh) Li:Po rechargeable cell.
This instrument is reasonably durable, but because it simply wasn't designed to take significant abuse, I won't perform, "The Smack Test" on it. I know you love to see me break things, but it ain't gonna happen today, folks.
I will also forego, "The Toliet Test" for much the same reason.
This is also not a flashlight meant to be used every bloody day, thrashed, trashed, and abused. So I won't try to drown it in the cistern ( toliet tank), bash it against a steel rod or against the concrete floor of a front porch in effort to try and expose the bare Metaldarktyranomon - er - the bare Metalvenommyotismon - um that's not it either...the bare Metalimperialdramon...er...uh...wait a sec here...THE BARE METAL (guess I've been watching too much Digimon again! - now I'm just making {vulgar term for feces} up!!!), let my mother's big dog's ghost or my sister's kitty cats spring a leak (uranate) on it, hose it down with a gun, run over it with a 450lb Quickie Pulse 6 motorised wheelchair, stomp on it, use a medium sledgehammer in order to bash it open to check it for candiosity, fire it from the cannoñata, drop it down the top of Mt. Erupto (I guess I've been watching the TV program "Viva Piñata" too much again - candiosity is usually checked with a laser-type device on a platform with a large readout (located at Piñata Central {aka. "Party Central"}), with a handheld wand that Langston Lickatoad uses, or with a pack-of-cards-sized device that Fergy Fudgehog uses; the cannoñata (also located at Piñata Central) is only used to shoot piñatas to piñata parties away from picturesque Piñata Island, and Mt. Erupto is an active volcano on Piñata Island), send it to the Daystrom Institute for additional analyses, or perform other indecencies on it that a flashlight might have to have performed on it. So this section of the web page will be ***SIGNIFICANTLY*** more bare than this section of the web page on a page about a flashlight that was born to be a flashlight and nothing but a flashlight.
The black plastic "dock" (frame) is 3D printed rather than being injection-moulded like the vast majority of other plastic products out there.
Water-resistance appears to be adequate at worst; it isn't totally WATERPROOF, but it is weather-resistant at absolute minimum. So if the weather is good enough to launch your drone, I think it'll be good enough for the DroMight White Anti Collision Drone Strobe Light.
Because the DroMight uses its own rechargeable battery, you can rest assured that it will blink happily away even if your drone crashes and its flight battery pops out. Because of this, you can much more easily spot a downed drone even if the drone's battery falls off.
Brief video on YourTube showing the DroMight White Anti Collision Drone Strobe Light blinking happily away on my drone.
Photograph of the product in its natural habitat (on a drone, of course).
Spectrographic analysis of the phosphor white LED in this strobe.
Spectrographic analysis of the white LED in this strobe; spectrometer's response band narrowed to a range between 430nm and 460nm to pinpoint native emission peak wavelength, which is 440.930nm.
The raw spectrometer data (tab-delimited that can be loaded into Excel) is at dm.txt
A beam cross-sectional analysis would normally appear here, but the ProMetric System
that I use for that test was destroyed by lightning in mid-July 2013.
TEST NOTES:
I purchased this on Ebay on 07-03-20 and it was received on the early-afternoon of 07-10-20.
UPDATE: 00-00-00
PROS:
Light weight
Very decent intensity
Rechargeable
Does not use drone's power; fully self-contained
No messy wiring
NEUTRAL:
Water-resistance could be a bit better -- but since I don't fly in the rain, this is not a negative!
CONS:
Seems a bit on the large side, but that's just me -- the weight is low enough to not measurably alter the drone's flight time.
MANUFACTURER: DroMight
PRODUCT TYPE: Anti-collision strobe light for drones
LAMP TYPE: Unknown-type high-power (3W) phosphor white LED
No. OF LAMPS: 1
BEAM TYPE: Wide flood
REFLECTOR TYPE: N/A
SWITCH TYPE: Momentary pushbutton on/off/battery test on upper surface of unit
CASE MATERIAL: ABS plastic
BEZEL: N/A
BATTERY: 3.7 volts, 0.26wH (70.27mAh) Li:Po rechargeable cell
CURRENT CONSUMPTION: Unknown/unable to measure
WATER- AND URANATION-RESISTANT: Light to moderate sprinkle-resistant at maximum
SUBMERSIBLE: ¡¡¡SATANÁS LLEVA UN PAÑAL SUCIO, NO!!!
ACCESSORIES: Battery (preinstalled), two pieces of 3M Dual Lock (one already affixed to unit), "dock"
SIZE: 25.70mm L x 26.10mm W x 20.30mm T (incl. dock & 3M Dual Lock pad)
WEIGHT: 8g (0.28 oz.) incl. battery, dock, and 3M Dual Lock pad; 4g (0.14 oz.) circuit/LED/battery by themselves
COUNTRY OF MANUFACTURE: Light made in China; body made in USA
WARRANTY: 90 days
PRODUCT RATING:
DroMight White Anti Collision Drone Strobe Light * (DroMight>)
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SIZE
- now I'm just making {vulgar term for feces} up!!!), let my mother's big dog's ghost or my sister's kitty cats spring a leak (uranate) on it, hose it down with a gun, run over it with a 450lb Quickie Pulse 6 motorised wheelchair, stomp on it, use a medium sledgehammer in order to bash it open to check it for candiosity, fire it from the cannoñata, drop it down the top of Mt. Erupto (I guess I've been watching the TV program "Viva Piñata" too much again 
