Community Controls Firefly 3 - Coding; Operation; Battery Access; Troubleshooting

Black Case with Grey Button
Screw
Case
Notch
Operating frequency : 300 MHz
Number of buttons : 1
Battery : 1 ea. 12V A23
Number combinations: 21024
Operating temperature : -20°F - 100°F
Overall dimensions : 1-1/2 x 2-1/8 x 3/8 inch
Weight: 1 oz.