... , circuit: 3 files dimming circuit, compatible with 1AA and 14,500 lithium batteries, with anti-reverse, prevent over-discharge function: 3 ... , 400 minutes of low light 3, Battery: 1AA or 14,500 batteries used, you can use rechargeable lithium battery; 4, Material ... is luminous plastic cap design for easy to find at night when power failure; Copper circuit bunker and design of copper Switched ...