Features:
Low-cost, low energy consumption , two alkaline batteries can be used 4 months , Buyers bring their own battery
Temperature Range:-40C-+80 C
Protection class:: IP65
Material: fiberglass shell structure
Control distance: up to 100 meters
Transmitter Power: DC 3V (2 alkaline AA batteries can be used 4 months)
Receiver Power Supply: AC 380V/220V/36V/AC/DC 18~65V or DC 24V
this items without include battery , because airlines and airplane do not allow