Features: The electric lock is mainly made of carbon steel material, sturdy and safe to use.Easy to install, compact, left and right, no front and back restrictions and mechanical lashup unlock position.High safety rate, the latch hook can withstand 330.7 lbs (150 kg) of towing, obviously it will not deformate permanently and is shockproof, anti-prying.Self-elastic design, adjustable, suitable for doors weighing 0.5 - 4 kgWide range of applications include delivery lockers, refrigerator cabinets, mail or newspaper boxes, self-service lockers, counters, dressing rooms, and more.