MegaCode act-21 keychain remote Linear Moore-o-Matic Megacode format 1-button mini ""key chain"" size (2"" by 1"") transmitter for gate or garage door openers Smart coding system, no dip switches, 318 Mhz frequency 3V lithium ""button cell"" batteries and a key ring included The batteries should last up to five years with normal use Compatible with ALL Linear Megacode System products
Frequency Type : RF/Bluetooth
Frequency (MHz) : 318.000
Dimensions: 1.00 x 2.00 x 1.00 (W x L x D, inches)