Note: This item comes with , please confirm the voltage of your area before purchasing. Description With auto- function. As long as you carry the host machine, any devices in living environment, pinhole , frauds, etc can be detected by sending you a risk prompt via the means of auto-body vibration. Features environmental economy, , , easy to install, super environmental suitability and stability, low-voltage . : host can be seen through the eyes of all within of the facing the . potentiometer sensitivity. (Greater/ smaller sensitivity can widen / narrow the scope ) This device can quickly identify the source waves with the help of equipped strong indicator light. sets the distance range from 10cm to 10m (the naked eye can identify red flashing). of range from 5cm to l0m ( Transmission was decided according to the size of ). Features - ColorBlack - Material: ABS Plastic. - Size: Approx. 10 x 5 x 2cm. - Voltage: AC110V - Detect that if your car or office is installed with or devices. - Detect if the is wiretapped or abnormal ( : transmit without any reason at standby mode). - Detect if your car is installed with or . - Detect if there is any roof base station in your working environment or residential buildings. Before buying buildings, first detect if there is harmful electromagnetic radiation to people's health. - Detect devices` receiving and transmitting of message service, network, of power on/ off status - Inspect hotels, restrooms, guesthouse, entertaining places, dressing rooms to prevent pinhole - Detect if household appliance like microwave oven leak out the harmful electromagnetic radiation - Detect if there is acute radiation called" "in your staying places - Detect if there is in your staying places. Prevent wiretapping at the places of ATM machines, theatres, art galleries and museums, etc Package list: 1 x