Compatibility Enhanced: Specifically designed for Linear and for Moore-O-Matic Delta 3 systems, this remote is compatible with 310MHz receivers and 8 DIP switches. Suitable models include DR, DR-2, DR3A, DR-4, DRA, DRA-4, GRD, GRD-2, DRM, DRQP, and more. It replaces various for Linear Delta models and for Moore-O-Matic code switch models. Note: This is not a universal remote; compatibility with existing 8 dip switches and 310MHz frequency is required. Advanced Wireless Technology: This upgraded remote offers superior wireless performance with robust signal coverage and mission capacity, ensuring enhanced safety and reliability. It's the perfect replacement for older Linear remotes, providing you with peace of mind thanks to its advanced technology. Durable Construction: Crafted from high-quality plastic material and featuring an upgraded internal chip, this remote is built to last. It has undergone extensive testing to ensure its durability and performance, outlasting previous versions and offering reliable operation. The actual product may have slight color difference or difference, which will not affect the use Colour:Black Material:plastic Package Contents: 2 x garage door remote Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!