feature:
1. It has eight tones for public security, fire fighting, rescuing, engineering, way-making, protocol, siren and aerial defens, And it can also be provided with pigeon tone, 8 seconds and musical tone.
2. The product combined with long row warning lamp can be additionally provided with lamp control.
3.The internal circuit adopts digital technology and the alarm sound is controlled with single chip microcomputer, The power amplifier circuit adopts high efficiency square(or annular) transformer and imported power tube with stable frequency and strong disturbance resistant performance, the technical indexes are in accordance with national standards.
4. The appearance of the main engine is elegant, steady, classical and decent, and can be freely chosen according to different powers, the split type structure can effectively separate the controller from the main engine, which facilitates the installation of product, the handle type and panel type controllers can be chosen freely, with good flexibility and convenient installation.