This item is made of the highest quality materials and special technology in processing electromagnetic parts, which is durable and easy to use. It is suitable for office buildings, stainless steel doors, steel doors, wooden doors, fire exit doors, community main access doors. So why not take a look? Features: Suitable for office building, stainless steel doors, steel doors, wooden doors, fire exit doors, community main access doors. Mortise mounted, beautiful outlook, large lock striker and wide range of applications. Integrated installation, made of the highest quality materials and special technology in the processing of electromagnetic parts. Can customize special lock according to your request. No residual magnetism for long-time work, ensures long-lasting operation. The lockout time is determined by the power-on time. Easy to install. Durable and easy to use. Dual unlock mode: turn on, turn off/NC, turn off, turn on/no High strength and high hardness., made of thick stainless steel with built-in copper coils. Special design, easy to adjust the distance of the lock tab. Specifications: Item Type: Electric Strike Door Lock Material: Plastic Color: Silver Lock Size: 11*2.5*3cm/4.33*0.98*1.18inch Lock Tab Structure: Die Casting made of zinc alloy Holding force: 300kg thrust Voltage: DC12V Current: 12V/280mA; 24V/160mA Special Design: Adjustable lock tab Suitable for: wooden door, metal door Surface temperature: below ambient temperature +20 Suitable temperature: -10~+55C (14-131F) Suitable humidity: 0~95 % Lock body treatment: High temperature Safety type: power off to lock Package weight: 233g / 8.21oz Package list: 1 x cathode lock 2 x screw 1 x resistor