Features: Made of high strength stainless steel material with hard anodized processing, heat dissipation and anti-corrosion with high reliability. Suitable for office buildings, stainless steel doors, glass doors, wooden doors, fire-proof door, community main access doors. Embedded installation, adopt the best quality materials and special technology to deal with electromagnetic components. Long-term work without residual magnetic force to ensure long life-span. Comply with environmental protection requirements, low power consumption, super quiet design, no noise during operation. Unique integrated design, easy to adjust the distance of lock tongue. Specification: Condition: 100% Brand New Panel Material: Stainless Steel Lock Cylinder Material: Aluminium Alloy Holding Force: 250kg Voltage: DC12V Current: 200mA Surface Temperature: + 20℃/ 68℉ Applicable Temperature: -10℃ ~ + 55℃（14℉ ~ 131℉） Working Humidity: 0-90% (non-condensation) Double Unlock Mode: Power off / NC Package Weight: Approx. 294g Suitable for: wooden doors, metal doors, PVC doors Package list: 1 * Cathode Lock 1 * Installation Pack 1 * English User Manual .