Powered by RioRand Advanced Technology RioRand 1500 Lumen 2x CREE XML U2 LED Cycling Bicycle Bike Light Lamp HeadLight Headlamp Shock waterproof level: IP67 Working temperature: - 40℃ ~ 80℃ lumen: 1500 lumen color temperature: 6000 k,Voltage: 10 to 30 V DC power: 18 w (6 PCS * 3 w LED cree lamp beam) Specifications: Function: Super bright CREE XM-L U2 LED bicycle light. . LED: - LED Type: CREE XM-L U2 LED. - Quantity: 2 pcs. - LED Life: 50,000 hours. - Feature: More condensed light, long exposure distance. 4 Switch Modes: Weak, Middle, Strong, Strobe. Switch Type: Blue Button. Runtime: About 3 hours. Switch Type: push. Switch Location: Tail-cap. High-performance electronic switch: - Slightly click the switch to turn ON/OFF the light. - Slightly click the switch to change the brightness modes, LOW - MID - HIGH. - Long press the switch for more than one second to access to Strobe mode. Battery indicator(beside the blue button): - Three lights lit on(power≥80%). - Two lights lit on(50%≤power≤80%). - One light will lit on and will flash three(runtime≤30minutes). Power Source: 1x8.4v 6400mAh Battery Pack. Battery Charger(include): - Voltage: 100v - 240v. - LED indication for Power On / Charging / Full charge. Color: black. Weight: 486g. Note: - 1. Remove batteries for long times of inactivity or during transportation. - 2. Do not use petroleum-based lubricant on the waterproof O-rings, which may cause damages to the O-ring. - 3. IPX-7 waterproof rating, unable to support dive use. What's In The Box: 1 x RioRand 1500 Lumens Cree XM-L U2 LED Bicycle Light. 1 x 8.4 V 6400 mAh battery pack. 1 x charger for this battery pack. 2 x Spare O-ring.