Dual-Way Window Counter Intercom Interphone System for Bank Station Hospital US
Where the Burglar-proof glazing is installed. ♦ For this system. ♦ The main unit has aluminum alloy shell,and the extension has built-in speaker, This system has simple connection for DIY operation. 1 x Vice machine (outside).
4km RF Transmitter Wireless Remote Kit Wireless Communication Projects
1 x Wireless Transmitter. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Positive is very important to us.