1. It conform to national standrad GB8108-1999.
2. Tone charactor: Aux, yelp, hi-lo, wail-1, wail-2, manual, Siren, horn.
1. It conform to national standrad GB8108-1999. 2. Tone charactor: Aux, yelp, hi-lo, wail-1, wail-2, manual, Siren, horn. |