GREENCYCLE tiny magnetic sensor door alarm with 110dB alarm volume can easily scare a would-be intruder away.
Easy Installation: Choose the location of a door or window to install the alarm. Paste the alarm and the magnet on the door and the doorframe with the sticker. Please notice that the line on the magnet should match the line on the alarm.
Four modes: arming mode(Two), closing door reminder mode, doorbell mode, battery low indicate mode.
Use in: home, door, window, supermarket freezer, filing cabinet. The alarm should be used indoor only. Don¡¯t install it at the place where there is sunshine or rain.
GREENCYCLE has a proffesional customer service team, which can provides you with a good user experience and product guarantee.