There s no need o disinguish between left and night install motors
A screw can be easily convertedThe motor comes with the resistance rebound function. Ne need to install other accessories to achieve the door to meet theresistance rebound. And when the resistance rebound the controller will sound 10 seconds. The lower limit of 10 cm above the resistance rebound 3 seconds the lower limit of 10cm below meet resistance stop. The difference between the meet resistance way more secure and more intelligentWhen close the door automatically set pry the door alarm When the door is in the lower limit, the door is pried a short distance. it can continue to send high-decibel alarm, to protect the safety of propertyDo you have your own factory? Yes, We are a professional manufacturer of rolling door motor in zhangzhou, we have our own factory and welcome your visit What is your delivery time? The time of delivery is about 15 to 25 days after receiving deposit, this is decided by order quantity. What is the term of payment?We accept 30% T/T in advance, and 70% against copy of B/L before shipment. Can you make an OEM for me? Yes! OEM orders is acceptable, please lets know your requirements, we ll offer you a reasonable price and make samples for you ASAP Do you provide sample? Yes, we can provide you with sample, but there a charge for the sample and shipping cost.