Features ✔ Supports a wide frequency range starting from 50 MHz ✔ Detects wireless GSM, 3G, and 4G signals ✔ Has 8 search sensitivity control levels ✔ Equipped with magnetic detection for trackers ✔ Uses infrared to detect lenses ✔ OLED screen accurately displays signal strength ✔ Built-in rechargeable 650 mAh battery ✔ Audible alarm upon signal detection ✔ Actual detection range up to 5 meters ✔ Works in low temperatures down to -20° Product Specifications Brand: Generic Warranty: 7 days Warranty Agent: Dozen Frequency Range: 50 MHz to 3 GHz Battery Capacity: 650 mAh Charging Port: Micro USB Alarm Mode: Audible alert + light flash Working Range: 5 cm to 5 meters Dimensions: 124 × 38.7 × 16 mm Weight: 56 grams Material: Plastic Product Contents 📦 Hidden device detector 📦 Wire probe for magnetic detection 📦 Charging cable 📦 Lanyard for carrying 📦 User manual 📦 Packaging box How to Use 1 Fully charge the device until the indicator is complete 2 Move away from mobile phones and Wi-Fi to avoid interference 3 Turn on the device and select the detection mode 4 Gradually increase sensitivity until the source is located 5 For laser detection, use in a dark place 6 Slowly sweep the device around walls and furniture