Linear LLC LNRDXT-42 2

The Model DXT-42 2-Button, 3-Channel Key Ring Transmitter is a battery powered, portable, miniature transmitter designed for use with Linear’s DX Format receivers. Each transmitter can be used in a limitless number of wireless remote control applications.The digital DX code format features over a million possible codes. Specifications :Power: Two type 1616 lithium batteries (supplied)Current Consumption: 5 mA average while transmittingBattery Life: Three years (typical)Measured Range: 200 feet minimum in open air, four quadrantsNumber of Channels: three channels - left button, right button, both buttons simultaneouslyOperating Frequency: 315 MHzDimensions: 1.25" W x 2.25" H x 0.48" D (32 x 57 x 12 mm), excluding key ring eyelet