Radio Wireless Hoist Remote Control Switches Telecrane F21-4D

https://rayvanbo.en.made-in-china.com/contact-info.htmlProduct DescriptionProduct specifications :Low-cost, low energy consumption , two alkaline batteries can be used 4 months , Buyers bring their own batteryTemperature Range:-40C-+80 CProtection class:IP65Material: fiberglass shell structureTransmitted Power: