siren whistle bicycle light

bicycle light with siren A: SPECIFICATION: 1.Outer dimensions:113.3*50*41.3mm2.Weight: approximately 150g3.Max power consumption:0.5W4.Working voltage:2.7V-4.2V5.Rechargeable battery type:3.6 V/250mAh NI-MH B: HAND CRANK WINDING MECHANISM: 1.Highly advanced alternator supports flashlight and mobile phone charging. 2.One minute of hand winding ( >=130 rpm) supports: over 30 Minutes of Continuous Light. 3.If fully charged, the flashlight may light above 300 minutes continuously. C: SOLAR CHARGING: 1. Solar panel dimensions: 63*26*3(mm)2.Max output voltage/current: 5V/20mA3.Approx. 10-12 hrs under average sunlight 86000LUX full charged.4.Preventover-discharging and the NI-NH battery. D: LED LIGHTING 1.Press the switch once to turn the 3 LEDs on. Press the switch again to turn the 3 LEDs off. 2.Working voltage: 3.2V--4.2V3.Working current: <=60mA4.Max power consumption:0.21W5.LED lifetime: 100000 hours.