UHPPOTE Low Temperature Electric Bolt Lock Fail Safe Mode DC12V For Access Control Wood Metal Door Fail safe, NC mode (Unlocked when power is removed) Low temperature, safe & durable Made up of stainless steel Time setting: 0/3/6/9 second Holding: 500kg / 1102.31lb Lock core: The diameter of 16mm/0.63in stainless core,extending the length of 18mm/0.71in Net weight: 420g / 0.93lb Current: 120mA(Standby),450mA(Start) Time: 0/3/6/9 second Suitable for: wooden door,glass door,metal door,fireproof door,etc 1 x Electric Lock (NC Mode) 1 x Panel cover 1 x Induction lock 1 x Screw kit 1 x Manual The new structure optimization design,more stable and more secure. Ultra-low-power design,more durable and more environmentally High-strength aluminum lock body,stainless steel bolt Testing to 500,000 cycles Fail safe, NC mode (Unlocked when power is removed) Low temperature, safe &amp; durable Working voltage: DC12V/1A Holding: 500kg / 1102.31lb Without feedback signal