Alarm System Wireless Smart Door Sensor Smart Detector Smart Home Security Alarm System Office

Label:Yes Material:ABS Package:1pcs*Wireless Smart Door Sensor Power supply method: 2pcs*AA batteries (not included) Name:Wireless Smart Door Sensor Color:white Size:as picture

Note: Please allow 1-2cm differences due to manual measurement,thank you for understanding! Due to the light and screen difference,the item's color may be slightly different from the pictures. Please understand.Make sure you do not mind before you buy.