... , has two kinds: delay lock and no delay lock Low temperature design , low heat, long service life , has two kinds: delay ... adjustment grades are 0 second, 3 seconds, 6 seconds, 9seconds; Work power supply: DC12V(with back circuit protection), low heat. current ... work flow 0.09A. Lock core: diameter 15.5mm stainless steel lock core, length of popup : 15mm Supply CN Low temperature electric ...