link 1.0 Djem Guerreru Inc. https://www.djemguerreru.com 21600 JOITO's https://www.joitos.com https://cdn.joitos.com/GENERAL/17/178/1786/17868619.V0.jpg 400 250 https://www.joitos.com/item/35392244/Vtech%2DGarage%2DDoor%2DSensor - Garage Door Sensor- ULE-certified- Attach to a sectional garage door and receive alerts on your smartphone when the door is opened- Accessory device only- Easy, DIY installation- No monthly monitoring fees- Digitally encrypted communications- 2-year battery life- Compatible with the DM271 and VC7151 series products 30.73 USD 16 Electronics & computer--Office electronics--Telephones