... . Weak light can be chosen 4. OEM Service Sinywon Emergency flashlight 6leds double gear1. Long battery life2. >250 times recycling3. Weak ... for 15 hrs , strong light can last for 9hrs . .d. Flashlight should always be charging before the usage.In ordet to ... , by sea, by air, etc. 4. MOQ: 4000pcs Sinywon Emergency Flashlight 6leds double gear