Unit color: black and yellow
Unit Size: 57 x 78 x 221mm
Unit weight: 251 grams
Bulb type: one white LED + 4 red LEDs
Lighting output: 3.5 lumen or 60000mcd
Battery built-in: 80mAH Ni-MH rechargeable battery
Working voltage: 3.6V
working mode: one LED lighting or red LED flashing (2Hz frequency)
1.Cranking for power to charge its inner 80 mAh / 3.6v NI-MH chargeable battery which reserve electricity also.
2.Cranking for power to charge mobile phone through a charging cable.
3.One LED lighting.
5.Breaking the glass in urgent condition.
6.Cutting the strap in emergency.
7.Sticking to iron object.
After one minute cranking, it can get one LED lighting on 40 minutes or red LED flashing on 60 minutes.It provides 3~8 minutes' talking time to mobile phone by cranking 3 minutes.