China Wireless Floor Pager Tower Crane Pager Indoor Construction Decoration Elevator Wireless Call System Strong Signal Call Bel, Find details and Price about China Floor Call System, Construction Elevator Pager from Wireless Floor Pager Tower Crane Pager Indoor Construction Decoration Elevator Wireless Call System Strong Signal Call Bel
Receive distance | Standard Version of >1km enhanced version > 2.3km |
Input voltage | AC130 560v(220v or 380V Voltage direct access) |
Call floor | 40 layers of Standard Edition |
Display window | 1 |
Protection grade | IP67 |
Working temperature | - 20°C-+85°C |