Specifications:•Motorized mortise lock•Backset: 60mm•Door Thickness: 40 to 105mm•4 x AA batteries•Available for wooden and steel doors•Automatic lock mode•Operation temperature: -15 to +55C•Suitable for left or right opening•Dimensions: front body 311 (D) x 64 (W) x 26 (H) mm; back body 311 (D) x72(..