Features Signal Detector --- The detector can detect the concealed signal sources around you, building you a safe environment for working and business. Higher Accuracy --- The detection with 300‑2700MHz wide frequency range ensures high accuracy without leakage, very stable in signal receiving. Alarm Function --- Equipped with a LED light, the signal detector comes with both sound and light alarm, largely improving the overall safety. Extensive Using --- Allows for wide application in schools, hotels, conference rooms, hospitals, automobiles, confidential meetings and more. 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 Material: ABS, Aluminum Alloy Frequency Range: 300MHz-2700MHz Detection Dynamic Range: >73db Indication Method: 10 level LED light indication and changing tone indication. Power Supply: 1 x built in single 3.7V 1000mAh polymer lithium battery. Working Current: 60mA Continuous Operation: 8-12 Hours Detection Sensitivity: <0.03mww Detection Range: For 5.8G: 15m² for standard 10MW. For 2.4G: 10m² for standard 10MW. For 1.2G: 10m² for standard 10MW. For Mobile signal 2G, 3G, 4G: 15m² Package List:1 x Signal Detector2 x Antenna1 x Magnetic Field Probe1 x Camera Detector1 x USB Charging Cable1 x User Manual Package List 1 x Signal Detector 2 x Antenna 1 x Magnetic Field Probe 1 x Camera Detector 1 x USB Charging Cable 1 x User Manual