Function:

l           Great feature is the multifunction: 1, next door monitor.2, wireless next door monitor.3, wireless spot monitor.

l           3 phase audio frequency selectable: A(200Hz),B(800Hz),C(1200Hz)

l           Metal detector head sensitivity: 20uV. Enclosed with the sticker which can be fixed on the wall or door.

l           It can penetrate Concrete wall, reinforcing steel bar, and wood, Metal, Glass, and Brick. The audio can be magnified max 50000 times.

l           It can be regarded as wireless spot monitor, effective distance 800m

l           Because of the UHF347MHz ~ 353MHz steady transmission, the voice is superb fine.

l           Separate recorder interface, so monitor and recorder can be working at the same time

l           No need external power supply, superb compact. Easy for taking anywhere as you like. No installation trouble.

l           Different from the traditional next door wiretap which user and device have to close the door. This unit can be used to monitor movable.

Specification: