<p><strong>Smart Design for CK500 Automatic Sliding Gate Opener Kit Heavy Duty Sliding Gate Motor </strong><br>Using advanced technology, the open/close direction is easy to switch. The adjustable midway/pedestrian mode allows the gate open for only a few feet. Chain length is adjustable. A wide range of accessories are available, include M12 Remote Control, TKP3 Wireless Keypad, ERM12 External Receiver, TC186-R WiFi Smartphone Remote Control with Camera, TRF3 Reflection Photocell Sensor, etc. So smart! DOES NOT compatible with any Vehicle Sensor Exit Wand!!  <br><strong>The package includes a 20ft. roller chain. </strong><br>The length of the chain is adjustable. <br>The specification of the chain is #428 (08B). <br>TOPENS 20 Feet Roller Chain is offered at: https://www.amazon.com/dp/B07ZTBD6JZ <br><strong>Specifications: </strong><br>Product Model: CK500 Gate Opener <br>Motor Voltage: AC 110V <br>Motor Power: 300W, 2/5 HP <br><br>Max. Gate Weight: 1300 lbs. <br>Max. Gate Length: 40 ft. <br>Motor Speed: 60 RPM <br>Gate Moving Speed: 8.3 in/s <br>Gate Opening/Closing Time: approx. 20-60 seconds depends on the gate length <br>Operation Range for the Remote Control: 60' <br>Max. # of Remote Control Supported: 8 pcs on its own, up to 250 with the TOPENS ERM12 External Receiver that is sold separately <br>Working Temperature: -4°F to 122°F (-20℃~+50℃) <br>Sound Level: 50 dB <br>Protection Class: IP44 <br>Overall Dimension: 14.4” * 5.6” * 18.6” L*W*H (365*142*473 mm) <br><strong>Packing List: </strong><br>1 x Gate Opener <br>2 x M12 Remote Control Transmitter <br>1 x Base Plate <br>1 x 20ft Chain <br>2 x Emergency Release Key <br>1 x Full Set of Required Installation Hardware <br>2 x Warning Sign <br>1 x Detailed Installation Manual</p>