Size of Headlight: 91 x 43 x 39 mm
Size of Taillight: 51 x 47 x 37 mm
Cranking for power generation. After cranking for 1 minute, Headlight lighting 18 minutes or headlight flash 4 hours.
Charge for mobile phone.
Push the switch forward, the headlight and the taillight light at the same time, push back, the headlight and the taillight flash.