Universal Garage Remote (610-2107) Specifications Faxback Doc. # 31193 11 to 38 Volts AC or DC across the Gray and Black wires. Below 11 Volts must use 12 Volt wall adapter. Idle current draw:...................................................10 mA. Relay output rated at 5 Amp for 12 Volt operation. Rated at 1 Amp for 115 VAC operation. Transmitter:...........................................operates at 312 MHz. Coded to one of 16 million random codes. Meet FCC Parts 15 Rules. Transmitter has two lithium batteries -- CR 2025 type. Radio Shack Cat. No. 23-161. Plastic is ABS Size: 1.28" x 2.0" x 0.34" Weight: 0.5 oz Receiver is black high impact styrene plastic. Size:....................................................2.5" x 4.0" x 1.0" Weight:..............................................................3.0 oz Power jack needs to be 12 VDC with 2.1 mm ID / 5.5 mm OD barrel style with Tip Negative. Radio Shack Cat. No. 273-1652 Switch on side of case to switched when using a power transformer. Typical range is 300 ft line-of-sight in free air. Typical garage installation gives about 100 ft range. Hobbyist application: Programmable for 3 types of outputs. Momentary - 130 ms pulse. (This is the way the unit comes) Latching - push one the relay closes. Push again it opens. Sustaining - relay closes for as long as button pushed. (CS 3/6/96)