Magnetic Sensor Door Magnetic System Battery Powered Window Sensor Burglar Alarm Doors

Label:Yes Material:ABS Name:Burglar Alarm Power supply mode:1pcs*9V battery(not included) Size:as picture Color:as picture Package:1pcs*Burglar Alarm

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.