MMCall Palm Remote Transmitter. •Dimensions: 2.3in * 6.9in * 0.7in | 5.8cm * 17.5cm * 1.7cm
•Weight: 8.4 oz | 240 grams
•Power Supply: 3 AA batteries
•Transmit Power: 10mw
•Transmitting Frequency: 433.500 MHz
•Transmit Distance: 260 ft | 80m (no obstacles)