Safer life starts with our products! Description: PTX-4 & PTX4 transmitter is compatible with SECURALIFT panelift garage opener GDO-2V5,GDO-2V6,GDO-2V7,GDO-7, Roller door opener GDO-6, GDO-8 GDO4V3, GDO4V4, GDO4V5, GDO4V6, GDO2V5, GDO2V6, GDO2V7, GDO7 GDO7V1, Roller door opener EASYROLLER GDO6 GDO8 GDO4V3,GDO4V4. GDO9v1, GDO-9V1 And AM receiver SecuraCode CRX-1 CRX-2 UHF stand-along receivers. And we make the PTX-4 replacement remote which can replace PTX-4BR,PTX-4BG,PTX-4PP. Please make sure you got access to your receiver/opener before purchas e. Not compatible with PTX5 Main technical indicators: Operating voltage: DC12V,27A battery SAW lock transmitter frequency Operating Current: 12mA Operating frequency:433.92MHz Transmit Power: 10mW Frequency deviation: 0.2MHz Transmission speed :50 - 60KHZ Include: 1 x Remote Control 1 x Battery 1 x Keychain 1 x English Manual Shipping Notice: Customs Tax : Customs Tax should be paid by buyer, Seller can't support any Customs Tax. Remote Area : For Remote area, DHL/Fedex/UPS/TNT will charge extra " Remote Area Fee". P lease understanding it. Return: Returns are accepted . In case of a refund all items must be returned undamaged, in a re-sellable condition. For DOA (Defective On Arrival) items, which will be replaced or refunded, please inform us within 24 hours of arrival, please also keep all of the components and original packaging as further checking might be required. Faulty items must be returned for repair or exchange. Buyer is responsible for all shipping costs of returning an item for a refund or exchange . Contact us: 1.If you have any question, Please contact us.All message will be answered within 24 hours from Monday to Saturday. 2. Please contact us before leaving any negative or neutral feedback or opening disputes, we will work with you to solve any problems.