Feature:1. Set of professional radio wave detection, magnetic field detection, hidden wired or wireless camera equipment detection, multi-function detection as one of professional senior detector.2. Can detect 2G 3G 4G band mobile phone SIM card, GPS locator. Can detect 1.2G to 2.4G wireless camera equipment. Can detect the standby state magnetic locator.3. With high sensitivity, wide adjustable range, wide detection frequency. Simple to operate, easy to carry, sound and light vibration alarm function.4. Lightweight and good looking, small size, but compact design for your privacy conservation. It is very easy for you to put this finder into your bag or your pocket, whenever, wherever you like.5. Built in battery: Embedded with 3.7V 300mA Polymer battery providing 25 continuous working hours and up to 10 days for standby.Specification:Specifications:Model: JMS110Detecting Mode: RF Signal + Wireless signal + GPS trackers detectionApplication: Listening Device, GPS TrackerDetecting Frequency: 1MHZ-8000MHZDetecting Dynamic Range: > 73DBDetecting Sensitivity: ≤ 0.03 mw (Main Frequency)Detecting Range:2.4G: 10m² (10mv)1.2G: 15m² (10mv)2G, 3G, 4G mobile sianal: 15m²Battery: Built-in 3.7V 300mA Polymer batteryMagnetic Field Detection Range: < 10cmRF Signal Detection Range: 10-15cm (Depend on sensitivity)Material: ABSItem Size: 120 * 24 * 24 mm / 4.72 * 0.94 * 0.94 inchItem Weight: 34g / 1.2ozPackage Size: 15.4 * 8.4 * 4 cm / 6.06 * 3.31 * 1.57 inchPackage Weight: 94g / 3.32oz.Package List:1 * Intelligent Detection Pen1 * Charging Cable1 * Lanyard1 * User Manual (English)