Bosch SE88A-90S-304 Security Escort Transmitter 304MHz (90sec) F.01U.316.552

Supervision Test mode Low battery indication Frequency 304 MHz Number of Transmitters per System 225 (SE88A-90S-304) Antenna Type Internal Battery Life Approximately 1 year (SE88A-90S-304) Battery Replacements Duracell® DL2032, Eveready® CR2032, Panasonic® CR2032 Battery Type Lithium Coin Cell Battery Color Light gray Dimensions 3.3 cm x 4.6 cm x 1.3 cm (1.3 in. x 1.8 in. x 0.5 in.) Material LEXAN, PC Grade 243R with UV stabilizer Properties Water resistant Operating Temperature Range 0°C to +60°C (-32°F to +140°F)