Frequency: 433.92 MHz (Rolling Code). Power supply: 12V DC; with 23A type battery. Radio coding: = 12 bit fixed; FloR = 52 bit rollingcode. Operating temperature: from -20C to +55C. Dimen -sions/Weight: W. 73mm x D. 40mm x H. 15 mm /14g. Colour:Black Material:plastic style:Flor-2 Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 2 * Garage Door Remote Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.