Surveillance Headset with Push-to-Talk Microphone for Talkabout(R) Radios Refrigerators Batteries can last up to

Batteries can last up to 1 year based on 5 events a day

3-way wiring configuration turns light or appliance on/off from 2 separate locations

Mounts on the negative post

Outside dia: 5

Zinc-coated chamber

Surveillance Headset with Push-to-Talk Microphone for Talkabout(R) Radios Refrigerators Batteries can last up toMicrophone cable connects to headset ; Microphone is located on the cable; Noise reduction ratio of 21dB; 2. 5 millimeter plug; 1 isolation earmuff; 1 assembly cable with push to talk microphone ; 1 assembly cable for audio devices; Compatible with Talkabout(R) T800, T500 T600, T400 and T200 series Warranty: One Year Country of Origin: China