Description: Plated electrophoretic paint surface treatment(neutral frog experiment over 500hours). Fits for delivery lockers, refrigerated cabinet, mail or newspaper box, self-service locker, counter, changing clothes cabinet and more. Adopted steel plate for shell and carbon steel for inner material. Strong and safe to use. Features: Easy installation; Shockproof; Anti prying; No left, right, front, reverse side limitation; Built-in unlocking status detection. Self elastic design - elasticity adjustable, suitable for weight 0.5~4kg door. Specification: Main Material: Carbon Steel Size(LxWxH): Approx. 73 x 59 x 13mm / 2.87 x 2.32 x 0.51inch Ambient Temperature: -40 °~60 ° Strength: 150kg force Voltage: 12v Current: 2A Work Mode: Independent type (Power off and close the door-Locked; Power on-Unlocked) Mechanical Life: In designing load condition, about 500000 times Electromagnet Life: In rated working condition, more than 1000000 times Package Includes: 1 Piece Electric Lock (With Detecting Switch)