Soft start to ensure a smooth start and smooth operation of the motor Specificaitons. Material:cold rolled steel Color: silver Fit for:sliding door Shape:rack Tooth Width:8mm Tooth height:10mm Length:about 1M Surface hardness:hard Module:4 Tooth position:external. Power supply voltage: AC 220V±10% 50-60Hz Motor power: 370W Motor speed: 1400 revolutions/minute Opening speed: 10-12 meters/minute Output torque: > 20N. M Limit switch: magnetic or spring Base: Aluminum Alloy Working environment temperature: -30 °C + 60 °C Package Included.1x Auto Motor rack 3 kit of screw. 1x motor 2x remote control 1x fixed bracket 2x bracket 1 kit of screw 2x keys 2x magnets. International buyers please note: a. The item "Heavy Duty Electric Sliding Gate Opener Automatic Motor Remote Control 1M" is in sale since Friday, December 7, 2018. This item is in the category "Home, Furniture & DIY\Home Security\Other Safety & Security". The seller is "powertool_online" and is located in HK. This item can be shipped worldwide.