MOUNT WITHOUT DRILLING: These smoke alarm magnets replace the complicated mounting of smoke detectors and fire alarms. No danger of hitting cables. The smoke alarm plate is self-adhesive on one side, magnetic on the other EASY MOUNTING: The attachment of the Smoke detector magnetic holder is a 1-minute install completely without tools. Simply peel off the adhesive film, affix the magnetic sticky pads to the ceiling and press down with light pressure for 10 seconds SECURE HOLD: The self-adhesive surface and magnetic attachments offers an extra strong hold. Once mounted, the smoke detector mounting plate will not come loose. With the stick-on smoke alarm, set it and forget it. The maximum load capacity is 500g. LIGHT BATTERY CHANGE: You will no longer need any tools for battery replacement and func-tion tests with fire and smoke detectors. To remove the fire alarm, push it away sideways from the smoke detector mounting plate VERSATILITY & EASY TO BLEND IN: You can simply paint the support plate of the smoke detector adhesive mount without affecting its function. Can be used as a smoke detector ceiling mount, side mount, for crafts, some cameras, and other grounded and mounted products, Weight: 0.4850169764 pounds, Manufacturer: ECENCE