12 single-speed buttons, 1 start button, 1 stop button provides,12 ( 22 ) control contacts F24-12 S/D is set by software.With the same button, different control functions such as normal, skip,jog,on, off, acceleration.and deceleration can be selected. Control distance: up to 100 metersldentification code: 2 (32) groups Operating temperature:-35° C-+75°cProtection level: lP65 Frequency Control: Phase locked appliance (PLL)Transmitter power: DC 6v Receiver power: AC 220v : 38ov(standard configuration) Standard configuration: One transmitter(including strap)One receiver(receivercomes with 2m connecting cable)One operationand maintenance manual