Open Closed Detection Zigbee Door Window Detector Smart Home Security Alarm System Door

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

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.