| Feature 1Suitable for lockers, letter boxes, logistics cabinets, filing cabinets, meter boxes, lockers, vending cabinets, etc. 2Independent design, when the power is off, the door is locked, and the moment of power-on will trigger the unlocking. 3Adjustable spring force, suitable for doors with a weight of 0.5-4Kg/1.1lb-8.82lb. 4The hook can withstand 330.7lb(150Kg) of tension without significant permanent deformation. 5It is shockproof, prying-resistant and has high safety performance. 6The utility model has the advantages of small volume, simple installation, no left and right sides, and front and back sides; and a mechanical emergency unlocking position is reserved.Condition: 100% Brand NewItem … | |