B/w handfree indoor phone

Key Attributes.

Skype: emily850717 B/W Multi-user Intercom (Handfree Indoor Phone) features reasonable price, excellent quality, scientific design, steady performance and exquisite appearance. Features: 1.4-inch CRT. 2.Power consumption: working, max 9W, holding, 130mW. 3.Environmental temperature:-30°C-55°C. 4.Power output:=5mW. 5.Degree of distortion:=5%. 6.Can connect to wireless detectors. 7.External dimension: 190*225*50mm.