HUMANIZED DESIGN: This smoke detector installation tool is wonderful design, no drill, no tools needed, no mess, no fools, no holes in your ceiling, protects your home ceiling EASY AND QUICK INSTALLATION: It only requires 10 seconds to install a smoke alarm so quickly! GOOD QUALITY: We use 3M double sided glue, thick metal, three magnet, all this make sure this tool installed with high quality HOLD BEAR WEIGHT CAPACITY: This self adhesive tie down kit is 70mm in diameter with three magnets, make sure it can hold 1kg of product for 10 years WIDE APPLICATION: It can be used for smoke detectors, fire detectors, co detectors, gas detectors, water detectors, combination detectors, some cameras, all kinds of ceiling and floor products Product name: New idea! Magnetic Smoke Detector Installation Tool, Quick and Easy Fix Ceiling Mount Kit for Smoke Detectors, No Drill Needed, 10 Seconds Install Smoke Sensors. Materials: Double-sided 3M glue, Thick metal, three magnets. This self-adhesive magnetic mounting pad has a diameter of 70mm with three magnets, these ensure that it can hold a 1.78lb/28.3oz product for 10 years vertically . We use double-sided 3M glue, thick metal, all this ensures that this installation tool is high quality. This smoke detector installation tool is wonderful design, no drill, no tools needed, no mess, no fuss, no holes, no dust in your ceiling, protect the ceiling of your home. 1.The area should be cleaned thoroughly before installation, make sure the area is completely dry, this 3M product will not stick to dirt or grime, and it is not suitable for dirty wallpaper or loose plaster 2.This magnetic tool is only for ceiling mounting, please do not use it for wall mounting and do not use it to install the products above. over 1.78 lbs. 3.This tool is suitable for smoke detectors with a diameter of at least 80mm and is not suitable for hardwired smoke detectors. 4.This product is the installation tool only, does not include the smoke detector. 3 magnets High quality Easy to install Warm regards: