Feature: 1. Signal Detector: The detector can detect the concealed signal sources around you, building you a safe environment for working and business. 2. Higher Accuracy: The smart detection with adjustable sensitivity ensures high accuracy without leakage, very stable in signal receiving. 3. The Memory Mode: When reaching the threshold, the signal detector will automatically record, which also has auto alarm function for safety. 4. Extensive Using: Allows for wide application in schools, hotels, conference rooms, hospitals, automobiles, confidential meetings and more. 5. Simple Carrying: Light in weight and compact in size as well, this camera finder can be easily carried for both indoor and outdoor using. Specification: Item Type: Signal Detector Model: T2 Frequency Range: 1MHz-8000MHz Detection Dynamic Range: > 73DB Detector Sensitivity: ≤ 0.03mv, main frequency band. Detection Range: For 2.4G: 10m², standard 10mw. For 1.2G: 15m², standard 10mw. For Mobile Frequency Band 2G, 3G, 4G Signal: 15m². Features: 10 level digital tube, buzzer and vibrator indication. Power Supply: 1 x 3.7V 1200mA polymer lithium battery 603450, shipped with built in battery. Full Charge Duration: 3 Hours Working Current: 80-150mA Continuous Working Time: 8-10 Hours. Package List: 1 x Signal Detector1 x Data Cable1 x Gain Antenna1 x User Manual