Information:1. Wide range of applicable types: Voltage 800g( 8n) , Suitable for doors or doors with stronger closing force. For example: screen doors, double sliding doors, invisible doors, security doors, aluminum alloy glass doors, metal doors, office doors, interior doors, kitchen and bathroom doors. 2. Features: anti-oxidation, anti-corrosion, strong, stable, wear-resistant, weather-resistant, small size and space-saving, quiet and safe cutting device. 3. Durable and durable: high-quality steel wire rope has passed 50,000 times of the tensile test and rebound test, and has strong tensile strength. 4. Simple and fast installation: non-porous glue installation (installation and use, use after 24 hours, stronger adhesiveness), after the door closer is glued, the stickiness is very strong and will not fall off easily. And it can be removed at any time when not in use, without damaging the surface of the object. (Can also be fixed with nails, not including nails) 5. Function: When studying and working, avoid repeatedly getting up and opening the door to improve study and work efficiency; It can prevent mosquitoes and flies from entering the room, and mice will not have the opportunity to enter the room to steal things, which can prevent kitchen fumes from entering the living room, effectively isolating moisture and stale air from the bathroom; When you turn on the air conditioner, hot and cold air will not leak too much, thereby reducing electricity bills and saving you worry and troubleSpecification: Tensile force: 800gCable length: 1.2mMaterial: ABS + stainless steelColor: RandomProduct size: (length × width × height) 6.3 × 6.3 × 1.6CMApplicable door types: single door, left and right doors, double doors.Package includes: 1 * door closer1 * hook sticker1 * small spanner (used to adjust the cable length outside the cable box)