Feature: 1. Sensitive detection, built‑in high‑accuracy detection circle, stable performance and easy to use. 2. High‑quality ABS material, anti‑falling, shock‑resistant and durable, which has longer service life. 3. Vibration alarm, 22KHZ high transmission frequency, reliable use. The working time is more than 40h. 4. Widely in airports, stations, examination rooms, conference venues and metal processing plants. 5. The lightweight design and comfortable handle grip make it easy to use for long periods of time. Specification: Item Type: Metal Detector Material: ABS Working Hours: More Than 40h Alarm Method: Vibration Transmission Frequency: 22khz Operating Temperature: -10℃-+55*C Battery Model: G6F22 not included Battery Capacity: 600mA Package List: 1 x Metal Detector 1 x Fixing Sleeve