Alarm System Zigbee Door Window Detector Smart Home Security Alarm System Apartment

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

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.