SPECIFICATIONS

Brand Name: ZHENAO
Model: BT203
Weight: 183g
Switch: headlight switch+taillight switch
Battery: 3*18650 battery (notincluded)
Charging mode: Type-C USB charging Support output
Size: Headlight: 4.5*4.5*4.5cm. Battery backpack: 8.5*6*4cm
Material: aluminium alloy+ABS
Zoom: Telescopic zoom
Waterproof grade: IPX4
Wick: Main light: 30W LED+8*LED auxiliary lamp Battery backpack: 18*LED white light +3*LED red light +3*LED blue light
Gear: Headlight 4th gear: main light is strong-main light is weak-main light flashes -8*LED auxiliary light is on 
Taillight 3rd gear: 18*LED white strong light -18*LED white weak light -3*LED red light +3*LED blue light flashes alternately.
Stay in any gear for 5-8 seconds and press it again to turn it off.

The ZHENAO Model BT203 is a powerful and versatile headlamp system constructed from durable aluminum alloy and ABS materials with an IPX4 waterproof rating, featuring a headlight unit sized 4.5*4.5*4.5CM and a detachable battery backpack measuring 8.5*6*4CM, with a total weight of 183 grams. Equipped with a 30W LED main light and 8LED auxiliary lamp on the headlight, along with a battery backpack featuring 18LED white light, 3LED red light, and 3LED blue light, this unit is powered by three 18650 batteries (not included) with Type-C USB charging that supports output functionality for charging external devices. The main light features telescopic zoom for adjustable beam focus and offers four modes: main light strong, main light weak, main light flashes, and 8LED auxiliary light on. The taillight provides three modes: 18LED white strong light, 18LED white weak light, and 3LED red light combined with 3*LED blue light flashing alternately. The device also includes a convenient auto-off function—staying in any gear for 5-8 seconds allows a single press to turn it off.