Wireless Remote Control Vibration Alarm, 2x Remote Control, Free GF22 Battery, Wireless1) Open the battery that at the bottom of the alarm, then load the battery 2) Move the switch to the location of "ON", in this case, alarm host make Bi sound, this shows power has been opened 3) Anti thief setting, click on the anti thief key of remote control the trumpet will makes Bi sound, then the host in the status of alert, and vibration beginning. Then the alarm will given ear piecing alarm sound, the alarm time is about 40second 4) Anti thief

multiple USB ports

suitable for skin that feels tight or looks flat

Perfect control PC

Loading Container 20GP: 296 cartons * 60 pcs = 17760 pcs

40HQ: 1018 cartons * 320 pcs = 325760 pcs

Sensitivity: -46db +/- 2dB

loved one protection

power outlet

HDMI connection 4K large-screen TV

Adjustable length

Speaker:high quality 40 mm diameter speaker

Manual 40 Rotation