STRONG & TOUGH – Made from die‑cast metal, this electric bolt is sturdy and long‑lasting. POWER‑CUT PROTECTION – With fail‑safe design, the bolt retracts when power goes out, keeping everyone safe during an outage. ADJUSTABLE TIMER – You can set the delay to control how soon the lock engages again, offering flexibility for different needs. Choose to lock right away or after 3 seconds. SIMPLE TO CONNECT – It runs on 12‑volt DC power, so it doesn’t use much energy. COMPACT FIT – Its slim design fits vertically or horizontally on doors with gaps up to 6 mm, making it easy to install in tight spaces. QUIET & RELIABLE – The solenoid bolt glides smoothly without loud noises, providing dependable operation day after day., Weight: 0.881849048 Pounds, Manufacturer: SecureMyDoor