Features: High-Temperature painted, durable and beautiful article. Stainless steel bolt structure, structural linkage is made of steel and hardened to resist severe impact. Installation simplified, non-polarized connection to your access control or egress device. With two contacts and no polarity requirement. Suitable for:90 degree swinging door, such as wooden door, metal door, PVC door, etc. *** Electric strike is fail-secure type lock, unlocked while supplied with power *** Package List: 1 x Strike Lock 1 x Screw Kits 1 x User Manual Specifications: Material: stainless steel / zinc alloy Withstand Tension: 1000lb Performance Testing: 1000000 times aging test Input Voltage: DC12V Operating Current: 240mA Safety type: power-off locked Applicable Door Type: wooden door, metal door, PVC door Surface Temperature: within +20℃ / 68℉ Suitable Temperature: -10℃~+55℃(14℉-131℉) Operating Humidity: 0~90% (non-condensing) Zinc Alloy Integrated Molding Stainless steel bolt structure, sturdy and durable for use. Low power consumption and low heat generation, sturdy and durable. Easy to Install Electric strike lock designed to fit most metal or wooden doors. fits either right hand or left handed doors No Polarity Requirement Working with DC 12V, no polarity requirement. (Polarity if a diode is installed). Connection to access control or egress device. Wiring diagram Notice: "power supply, access control keypad, exit button" are not included in this package