F24-60 radio remote controls system best for overhead crane and concrete pumps truck,easy to operate to keep workers safety. Products Application: overhead cranes or concrete pumps truck or others condition which are much more complex . Breif Introduction Transmitter Size:200*110*90mm weight:860g Receiver Size:290*230*70mm weight:2200g Specification: control distance: upto 200m unique code: 4.3 billion unique ID code Hamming code: >4 temperature : -35°C___+80°C Enclosure protection class : IP65 Transmitter power: DC6v Receiver powder : AC 380v/220V or DC12V/24V output capacity: full sealed relay output with 5 amperes enhanced watch-dog circuit Standard configuration: One transmitter ; One receiver; One 3m cable connect with receiver One operation and maintain manual . Products Features: *Durable nylon-fiber housing for extra shock resistance.. *Fully programmable relay configuration with maximum 16 relays output per command. *Operating range up to 100 meters *Pre-wiring standard cable making installation quick and easy. *Economic efficiency, ease of operation. *3 stages LED battery power indicator. *Feature acceleration delay time control (smooth moving for multiple speeds cranes)