Specification: Material: Plastic, aluminum Color: silver & black Voltage: 110V AC, 60Hz Motor Power: 370w Motor Speed: 1400r/min Maximum load: 800kg Output Torque: 18N.m Limit Switch: Magnetic Limit Switch Noise: <56dB Max # of Remotes:25 Duty Cycle: 10 Minutes Rack: Quality: 8Pcs; Length:about 0.5M; Tooth Width: 10mm. Remote contol mode: single button Starting current: 3A Running speed: 12m/min Temperature: -25℃~55℃ Remote Battery required: 1 section 27A 12V alkaline battery（not included） Package included: 1*Motor 8*Racks (length:0.5m/rack) 2*Remote Controls 2*Single infrared beam sensors 2*Manual Release Keys 1*Mounting Hardware 1*Installation Parts 1*Owners Manual.
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