... life , has two kinds: delay lock and no delay lock Low temperature design , low heat, long service life , has two kinds: delay lock ... seconds, 9seconds; Work power supply: DC12V(with back circuit protection), low heat. current for starting: 800mA work flow 0.09A. Lock ... core: diameter 15.5mm stainless steel lock core, length of popup : 15mm Supply CN Low temperature electric lock