Features: The Fail Secure is Unlocked when energized. This is an all-metal construction electric lock, designed for sliding door. With European-type cylinder and has both electric control and manual control functions. Under the temperature of 60 ℃ or -40 ℃ below zero it can be operated normally benefit by the all-metal linkage parts. The solid steel bolt can withstand 500kg holding force, and this lock has the special high security design of the anti-prizing function after the bolt is inserted.Specifications: Dimensions: Electric Bolt: 150Lx25Wx38H(mm) / 5.91Lx0.98Wx1.50H(inches) Electric Strike: 150Lx25Wx53H(mm)/ 5.91Lx0.98Wx2.09H(inches) Voltage: DC12V Current: 850mA Signal Output: Lock signal(NO/NC/COM) Feature: Fail Secure Operating Temp: -20℃~+50℃ / -4℉~122℉Net Weight: 1Kg / 2.2lbPackage: 1 x Electric Lock5 x Keys 1 x Install Kit 1 x English Manual