Community Controls Firefly3 - CODING; OPERATION; BATTERY ACCESS; TROUBLESHOOTING

Black Case with Blue Button
Screw
Case
Notch
Operating frequency : 390 MHz
Number of buttons : 1
Battery : 1 ea. 12V A23
Operating temperature : -20°F - 85°F
Overall dimensions : 1-1/2 x 2-1/8 x 3/8 inch
Weight: 1 oz.