Min. Order:  
1 Set
                Price:  
US$ 1
                 Place of origin:  
China
                 Supply Ability:  
1000sets per month
                 
            button + 3 positions and 2 positions switches 
Voltage: AC/DC12V,AC18-65V,AC65-440V,etc
IP65, used for outdoor and indoor
5.Light weight and neck hanging design for Asian ergonomics
6.With 3 steps battery voltage alarm device, the power is cut off during low power
7.Safety key switch
8.Enhanced watch-dog circuit with automatically stop device
9.Signal search and frequency automatic tracking circu
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