... 14500 rechargeable Li-ion battery*Multi-functions High/Low/SOS*Stainless steel switch in the backside*Brass connector and orange shape ... for one time use 2hours*Waterproof IP65Description:1,Adopt SUS304 stainless steel material,shock proof and dustproof,with exquisite appearance,smart and ... hours,so you don't worry about the issue to replacement LED bulb3,Brass connector good for going throgh by ...