Feature: 1. High Sensitivity: With built in high performance CPU, laser scanning, passive wireless sweep frequency, this detector can accurately find eavesdroppers, cameras, etc. 2. Detection and Alarm: This detector is equipped with four levels of adjustable alarm system. The higher the level the more sensitive the better the effect, and it can detect all kinds of bug locators. 3. Compass and Headphones: High accurate outdoor compass allows you to lose your way in the outdoors without fear. Safe with headphones, silent detection does not disturb the public. 4. Laser Filter Detection: Press the laser switch, the six red lights behind the detector will flash. Observe the camera lens through the mainframe viewport. If there is a camera head in front of you, you will find a very strong bright spot in the flashing. 5. Low Voltage Prompt Function: Built in rechargeable battery, when the built in battery voltage is insufficient, the 4th status indicator of the panel will keep flashing. 6. GPS Accurate Positioning: This detector alarm alerts as soon as it receives the signal from the locator, and it can quickly lock the location of the locator and find the removal. Specification: Item Type: Signal Detector Material: ABS Weight: Approx. 170g/6.00oz Product Size: 46x92x15mm/1.81x3.62x0.59in Antenna Length (Shortened) : 22mm/0.87in Antenna Length (Elongation) : 179mm/7.05in Voltage Range: 100-240V Battery: 450mah lithium battery (shipped with built in battery) Accepted Frequency Range: 1MHz-6500MHz Optical Lens: Special filter Laser Detection Distance: 10cm-10m/3.94-393.70in Electric Wave Detection Distance: 5cm-10m/1.97-393.70in. Package List: 1 x Detector1 x Earphone1 x Charger1 x Manual