UHPPOTE ANSI Standard Heavy Duty Electric Strike Lock Fail Secure Or Fail Safe Mode Adjustable Fail Safe or Fail Secure Mode Adjustable Holding Force: 1000kg / 2204lb Designed for Metal Frame drill a hole,then install it directly Strike lock need work with mechanical lock or konb lock which need buy separate Attention: Before placing order, please check the size of doors frame to avoid wrong purchase Material: Stainless Steel Special design,easy to adjust the distance of the Lock-tongue Testing to 1000000 cycles NC or NO mode can be settled on the back High-Temperature Painted, Durable and Beautiful Article Designed for Metal Frame drill a hole,then install it directly Holding 1000kg/2204lb CE Certificate by European Union, MA Certificate by China Public Security office Voltage: DC12V Current: 220mA Lock Size: 4.88Lx1.26Wx1.30H(in) / 124Lx32Wx33H(mm) Holding Force: 1000kg / 2204lb Face plate Housing: Painted Steel Function: Built-out MOV Weight: 0.38kg / 0.84lb 1 x Electric Lock 1 x Diode 2 x Screw 1 x Manual Strike lock need work with mechanical lock. Mechanical lock need buy separate. Fail Secure need wiring to NO and COM contact. (Other parts shown on this photo not included) Strike lock need work with mechanical lock or knob lock which need buy separate. Before placing order, please check the size of doors frame to avoid wrong purchase. Suitable for metal and wooden door frame You can set the operation mode of the Fail Safe or Fail Secure Loose the screw and tighten it in the other hole Fail Safe (NC): Unlocked when power is removed Fail Secure (NO): Locked when power is removed Work with knob lock Knob lock should buy seperate 4-9/10(L)x1-3/10(W)x1-3/10H(in) 124Lx32Wx33H(mm) 1 x Electric Lock 1 x Diode 1 x User manual 1 x Installation Kit