1. All of our items are Brand New 2. Frequency step: 200K (digital radio digital), 1K,100Hz 3. Testing distance: UHF: 8m, VHF: 5m 4. Testing range: 50MHz~2.4GHz 5. Antenna: pulling out antenna 6. Battery: 9V 6F22 7. Auto power off time: 1 mins. (except for the digital signal gear) 8. Color: Black