Compatibility list
81LM Green learning button (Billion Code, 390MHZ)
Models:1245,1255,1270,1280
971LM red,orange learning button (Security+, 390MHZ)
Models: 1245R/1255R,1265R,2220, 2245/2255,2265,2280, 2500, 2575, 2585
371LM purple learning button (Security+, 315MHZ)
Models: 1345/1355,1356,3220, 3240,3265,3270, 3280, 3800, 3500,3850, 3585
891LM yellow learning button (310,315, and 390MHZ) Models:8065,8155,8165,8355,8360,8365-267,8500,8550,8557,8587
Feature description:
Model: 890MAX
Frequency: 315-390mhz
Code: Rolling code
Button: 3 Buttons
Battery: Internal battery
Shell material: Metal and ABS
Working voltage: 3V
Working current: ≤12mA
Transmitting distance :100m(open)