Package Contents: you will receive 3 packs universal garage door remote controls, built in instruction manual, key fob, built in battery is CR2032 3V coin cell, compatible with , , brand bottle openers from 1993 to present, with purple, red, orange, yellow, green smart, learn button Multi Channel Usage: compatible with up to 4 different garage door openers, door operators and accessories with Security+ 315MHz and 390MHz, Billion Code 390MHz and Security+ 2.0 310/315/390MHz highest level encrypted rolling code MyQ long range frequency Compatibility List: 81LM green learning buttons (Billion Code, 390MHZ), models: 1245, 1255, 1270, 1280, 971LM red and orange learning buttons (Security+, 390MHZ), models: 1245R/1255R, 1265R, 2220, 2245/2255, 2265, 2280, 2500, 2575, 2585, 2595, 371LM purple learning button (Security+, 315MHZ), models: 1345/1355, 1356, 3220, 3240, 3265, 3270, 3280, 3800, 3500, 35550, 35 891LM yellow learning button ( 310, 315, and 390MHZ), models: 8065, 8155, 8165, 8355, 8360, 8365-267, 8500, 8550, 8557, 8587 Safe and Secure: Security+ 2.0 and rolling code technology, the highest level of encryption to keep you from foreign intrusion and give you peace of mind; Long distance and stable work : slide protection, no more damage caused by accidental pressing into pocket or purse, built in LED emission and low battery light dimming reminder, small, compact and keychain style; Easy to carry, the latest RF technology ensures better range; Secure rolling code encryption color:As shown Material:plastic Package Contents: 3 x universal garage door remote controls 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.