... half bright, and SOS help signal blinking3. with built-in SOS signal alarm sound mode and obtain strong penetration, this products ... chargeable lithium battery, overlong endurance capacity Technical Parameters1. torch parameterCREE brand high power 3 wattage LED lamp bead, ... 5V8. charging time-4-6hours9. endurance time-torch 36hours,music play 32 hours,torch+music play 18 hours10. work tempreture--20 ...