Feature:1. This signal detector will effectively find the camera and other eavesdropping equipment in the room.2. The compact size and light weight enables easy, convenient and reliable single-hand operation.3. With large detecting frequency and area, the sensitive detector works perfectly in anti-eavesdropping.4. Equipped with a 1200mA lithium battery, promises long continuous working time and fast charging.5. Allows for easy carrying and storage, ideal for business meeting, laboratory, factories, etc.Specification:Item Type: Signal DetectorProduct Material: ABS Frequency Range: 1MHZ-8000MHZDetection Dynamic Range: >73DBDetection Sensitivity: 0.03mv (main frequency band)Detection Range: 2.4G: 10 Square Meters (standard 10mw)1.2G: 15 Square Meters (standard 10mw)Mobile Phone Frequency Band 2G/3G/4G Signal: 15 Square Meters10-Level Digital Tube, Buzzer, Vibrator IndicationBattery Model: Lithium BatteryBattery Capacity: 1200mA (shipped with built-in battery )Full Charge Time: 3 HoursWorking Current: 80-150mAContinuous Working Time: 8-10 Hours.Package List:1 x User Manual1 x Main Body1 x Probe1 x USB CableNote:Do not allow the product to meet with water, which may shortcircuit the product and affect its use.