Features 1、The product is featured with wide voltage range, low power, no electromagnetic interference, long service life. 2、The shell is made of flame retardant PV material, which is more safe and reliable. 3、Reasonable spatial combination and precise calculation make a louder sound burst when passing by. 4、The beeper alarm is suitable for ships, fire trucks, building anti‑theft systems, etc. 5、Made of high quality material, the product can be used for a long time. Specification Item Type: HRB‑N80 Buzzer Material: Plastic Product Model: HRB-N80 Generate Current: 30mA Sound Decibel: 80db Voice Form: Continuous voice Frequency: 50HZ Important Hint 1.Single sound control within 3-5 minutes 2.Any small warning light can not be sounded for a continuous time 3.The longer the continuous time, the easier the buzzer will be broken 4. Support repeated use in a short time 5. Improper use causes buzzer damage and does not participate in after-sales Package List 1 x HRB‑N80 Buzzer