The new compact style Heddolf P220-2KB also know as the P220-2 by Keystone is a two button visor gate or garage door opener radio control transmitter that is compatible with the Allstar, Allister, Pulsar, GTO and Mighty Mule brand of radio controls with 8 Trinary (+, 0, -) type code switches that operate on 318MHz. This Heddolf remote control uses a crystal-controlled circuitry to give it excellent stability and superior transmission range. This item is new in box and includes the visor clip, battery and programming instructions

The Heddolf P220-2KB remote is directly compatible with the following models on 318MHz to control two devices.
Allstar, Allister, Pulsar: 931, 9931, 832, 8832, 833, 8833, 9931MT.
GTO, Mighty Mule: RB741, RB742, RB743, RB744
Carper: CX-318-1
Heddolf: P219-1KA, P219-2KA, P220-1KA, P220-1KB, P220-2KA, P220-2KB, P220-3KA, P220-3KB
Not all compatible models may be listed

Product Features:
Controls two garage door or gate openers that uses 8 or 9 trinary code switches on the 318MHz frequency
Visor clip included
Test/operate LED
One-Year manufactures warranty

Product Specifications:
Power: One 12V A23 battery (included)
Frequency: 318MHz
Codes: 19,638 set by 8 three position (+, 0, -) code switches and two buttons
Dimensions: 3.0 x 1.75 x 0.5 inches