N.O: HLL-S03
Model: DL-1390GD
Parmeter: 12V/24V,4A 110+/-5dB
Frequency: 410HZ+/-20,510HZ+/-20
Loud sound, airprof and nice waterproof character, osciolation endurance, can work under -40degree centigrade~90degree centigrade test temperature. Keep the fresh tone after 200,000 tweeting times.
Cathode electrophoresis plate technology on the surface, excellent causticity endurance abilbity.
Heat treated and oxidation resistant noble metal contact point.
1 year quality warranty period.

