2211-L Tx Garage Door Opener : Product includes 3 button remote control for garage door*2,Housing clip *2,garage door opener remote keychain*2, instruction*2,303MHz/390MHz Dual Frequency Burst,the inner box is packed with double bubble bags to ensure that the products can be transported to your hands more safely Upgrade Optimization : We upgraded the original 2 button remote control for garage door to three-button, options for 3 garage door operators, made of high quality materials.Have higher performance and endurance, equipped with Anti-interference system and signal amplifier, garage door opener remote can be pressed 10W times, signal range can cover 230 feet, is the perfect replacement for the original garage door remote Product Use : Upgraded version of garage door remote control is a 3-key garage door remote controller, which can control three garage doors at the same time. The built-in manual is convenient for your using, and it is equipped with a key chain, which makes it easier for you to carry safely.Choose the price that suits you and experience the quality beyond imagination. It is not the most expensive that is the best, but the most suitable for you that is the best Adapted Model : Upgraded version garage door openers remote Compatible with guardian 2211-L(TX) GDOR2B 21230 GDS 303RTX 21230-L R2BCC GD2213 BHT3 2211 BOL4 (304MHz version ONLY) etc garage door.And compatible with Boss Steel Line Guardian series 628 600SL 600 315 415 etc garage door remote controls Efficient Problem Solving : If you encounter any problems, we will promptly respond to and solve your problems within 24 hours. Our company will be responsible for the replacement or maintenance of quality failures caused by design, material, Manufacturing and assembly production defects to restore the technical performance of the products.What attracts you is definitely not advertising, but our specialty and value. What makes you stay is never accidental, but our precise service ♥Welcome, dear customer! Your demand is our direction, and we look forward to establishing a long-term win-win cooperative relationship with you ♥Product Specification: 3 button remote control for garage door*2 Garage door opener remote keychain*2 Instruction*1.303MHz/390MHz Dual Frequency Burst ♥Compatible brands:guardian Boss Steel Line etc. Compatible garage door model:2211-L 2211-L(TX) R2BCC GD2213 BHT3 GDOR2B GDS 2211 21230 21230-L 303RTX BOL4 (304MHz version ONLY) BOL6,BOL9,OL4,RD1,OL6,OL9,BRD1,BRD9 GDO3BMINI Compatible universal garage door remote control model: Guardian Core series Model 425 1/2HP AC,415 1/2HP AC Guardian Pro Series Model 615 1/2HPe DC,628FCA 1/2HPe DC xecutive Series 3/4HP - Guardian 600SL Core Series Model 315 - 1/2HP Music GDO Lynx Residential Garage Door Openers Model 455 and the 455PLUS Battery Replacement: part A23 (12 Volt) Model:2211L(TX)