Suitable for office buildings, stainless steel doors, steel doors, wooden doors, fireproof exit doors, and main access doors of communities. Mortise mounted with a sleek design, robust lock construction, and wide application range. Embedded installation made from high-quality materials with advanced processing technology for electromagnetic components. Customization available for special lock requirements. Non-residual magnetism during prolonged operation. Locking time is controlled by power supply. Easy to install and user-friendly. Dual unlock mode: switch up power off / NC; switch down power on / NO. High strength and hardness, constructed from thick stainless steel with built-in copper coils. Adjustable lock tongue distance for flexible installation. Item Type: Electric Strike Door Lock Lock Tongue Structure: Zinc alloy die casting Holding Strength: 300kg thrust Voltage: DC 12V Current: 12V / 280mA Lock Tongue: Adjustable Suitable For: Wooden door, Metal door Temperature Rise: Lower than room temperature +20C Operating Temperature: -10C to +55C (14F to 131F) Operating Humidity: 0% to 95% non-condensing Lock Body Treatment: High-temperature resistant Security Type: Power-off to lock Color: Silver Material: Metal Dimensions: 11 x 2.5 x 3cm Package Contents: 1 x Electric Door Lock Note: Other items not included. Slight color variations may occur due to lighting and display differences. Measurement tolerance: +/- 1-3cm.