Allstar 9921T-318 mhz binary + - dip switch style garage door opener Features and Specifications 1- Button single channel remote control transmitter 318 MHZ Frequency visor size gate or garage door opener Nine (9) 2-positions (binary) dip switch format, clip and battery included Also available in key-chain size, the Carper model 318 is a direct compatible replacement

Battery Required : 9 Volt Battery
Frequency Type : RF/Bluetooth
Frequency (MHz) : 318.000
Dimensions: 3.00 x 2.00 x 1.00 (W x L x D, inches)