Features: Safety window locks can prevent babies or pets from pushing and pulling on doors and windows, keeping them safe from harm. < p>Simply attach them to the surface of the object to be fitted, without having to drill or screw. Suitable for smooth solid wood panels, marble panels, glass, panels PVC, metal panels and tiles. The window blockers are made of ABS and the lock cylinders are made of zinc alloy and steel wire for durability. Cabinet locks are perfect for refrigerators, drawers, sliding doors, windows, etc. Specifications: Color: Black Weight : 130 g Base: 70*70mm Initial password: 000 Cable length: 180 mm Material of lock body: ABS Lock core material: Zinc alloy Lock wire material: Stainless steel Package includes:< /p> 2* Refrigerator Lock Steps to change the password (please refer to the picture): 1, Assign the security lock to 000, press and hold the switch to unlock. 2Use the tool to secure the regulator in the combination lock (do not release). 3Turn code (keep the regulator in the lock), the code at this time is the new code, please remember the code at this time. 4Release the regulator and disturb the password which is locked.