Features: 1) Electric mechanical integration, highly integrated 2) Inductive, untouched, wearing-preventing long service life 3) Controlled by electricity, opens very quickly 4) Uses rechargeable Li battery, no need to change battery 5) Convenient to manage, with inquiry, report loss, delete black list print and statistics functions 6) Keeps the unlocked function of the spare mechanical key 7) You can choose the remote controller for it 8) Rainproof and waterproof; defends the sunshine direct radiation 9) Color: argentine Specifications: 1) Dimensions: 121 x 102 x 33mm 2) Work temperature: -40ºC ~ +70ºC 3) Work humidity: 10% ~ 90% RH 4) Reading card type: ID 5) Card reading distance: ≥3cm 6) Card reading speed: 7) Record: 2,000 8) User card number: 2,000 9) Communication: RS485 10) Accessories: charger, Li battery 11) Input voltage: DC12V 12) Input current: 1,000mA 13) Dynamic current: 800mA 14) Static current: 15) Power: 10W 16) Weight: 1.5kg Packing: Dimensions: 215 x 210 x 90mm