<p><b> TOPENS CK2600 Automatic Sliding Gate Opener is designed for Heavy Duty sliding gates up to 5700 lbs. in weight and 40 ft. in length.</b></p><p><b>The package includes a 20ft. roller chain.</b></p><ul><li>The length of the chain is adjustable.</li><li>The specification of the chain is#428 (08B).</li> <li>TOPENS 20 Feet Roller Chain is offered at: https://www.amazon.com/dp/B07ZTBD6JZ</li></ul><p> </p><p><b>Specifications:</b></p><p> Product Model: CK2600 Gate Opener</p><p> Motor Voltage: AC 110V</p><p>Motor Power: Motor Power: 1 - 1/4 HP, 1000W</p><p> Max. Torque: 75Nm</p><p> Max. Gate Weight: 5700 lbs.</p><p>Max. Gate Length: 40 ft.</p><p>Motor Speed: 60 RPM</p><p>Gate Moving Speed: 8 in/s</p><p>Gate Opening/Closing Time: approx. 20-60 seconds depends on the gate length</p><p>Operation Range for the Remote Control: 65'</p><p> Frequency:433.92MHz, unique code per gate opener</p><p>Max. # of Remote Control Supported: 8 pcs on its own, up to 250 with the TOPENS ERM12 External Receiver that is sold separately.</p><p>Working Temperature: -4°F to 122°F (-20℃~+50℃)</p><p>Sound Level: 50 dB</p><p>Protection Class: IP44</p><p> Overall Dimension: 15.8” x 9.3” x 24” LxWxH (403x237x610 mm) </p><p> </p><p><b>Packing List:</b></p><p>1 x Gate Opener</p><p>1 x 20 ft. Roller Chain</p><p>2 x M12 Remote Control Transmitter</p><p>1 x TC102 Photo Eye Beam Sensor</p><p>1 x Base Plate</p><p>2 x Emergency Release Key</p><p>1 x Full Set of Required Installation Hardware</p><p>1 x Magnet Assembly</p><p>2 x Warning Sign</p><p>1 x Detailed Installation Manual</p> <p><b>Optional Accessories available at TOPENS Store:</b></p><p>M12 Remote Control Transmitter, TKP3 Wireless Keypad, ERM12 External Receiver, TEW3 Vehicle Sensor Exit Wand, HLR01 HomeLink Compatible Remote Control, TC186-R / TC186 WiFi Smartphone Remote Control with Camera, TRF3 Reflection Photocell Sensor</p>