Cassette with five sections: 21 - start and stop buttons 55 - two-stage push-buttons for two speeds - forward-reverse mechanism 45 - two-stage push-buttons for two speeds - left-right bridge drive mechanism 35 - two-stage push-buttons for two speeds - mechanism lifting up and down. 75 - two-stage pushbuttons for two speeds - right-left rotary mechanism Lock with 1 LM-1 type connector in the bottom cover. Made for a temperate climate. Cassette for controlling cranes, cranes, etc.