Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Riser attached to your current sensor, no additional magnet required. EASY INSTALLATION: Simple peel-and-stick application requires no tools or complex setup, making mounting quick and effortless MAGNET STRENGTH: 1\/4inch strong magnetic spacers ensure reliable contact and consistent performance of your security sensors VERSATILE PLACEMENT: Ideal for surfaces where additional height is needed to align sensors properly with your Ri-ng Alarm system Color: As shown Material: plastic There may be slight color difference or difference in the actual product Package Contents: 5 x Ring Alarm Magnet Riser Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.