Features: Suitable for all kinds of door, window, box, cabinet, such as storage cabinets, safes, and savings cabinet etc. This product is mainly made of high quality iron, which is strong and durable, safe and secure. The lock tongue direction can be adjusted freely, when the black spring clip below is dismantled. Built in full copper wire, lock can be open when power on. whole metal structure, safe, small, lightweight, low power consumption. Specifications: Voltage: DC12V Power:9.6W Wire length:10cm/3.93inch Current: 0.6 A, maximum :0.8 A Size: 54 * 41 * 27 mm/2.12 * 1.61 * 1.06 inch Work principle: lock is open when Power on (suggest current time ≤ 15 seconds) 1: locking tongue stick out when power is off - door closed 2: locking tongue contract when power on - door open Disassembly Steps: 1. Remove screws on the cover with a screwdriver. 2. the cover. 3. Use the screwdriver to remove the E-clip between spring and latch bolt. 4. Take out the latch bolt and adjust its direction then put back the E-clip. 5. Put cover and screws back to finish changing latch bolt Package Included: 1 x Electric Solenoid Lock