The most famous and best-selling industrial control panel is the electromagnetic buzzer.·
long working hours, long electrical life and stable temperature rise.· pleasant sound quality, novel style.· wide operating voltage range, low power consumption, no electromagnetic interference, long life.
| Mode | Voltage | Curren(A) | (Hz) | dB(A)1m | Packing size | Packing | Weight |
| HRB-N80 | DC12V | 30mA | 50 | 95 | 44.5*34.5*27 cm | 100pcs | 22kg |
| DC24V | 30mA | 50 | 95 | 22kg | |||
| AC110V | 30mA | 50 | 95 | 22kg | |||
| AC220V | 30mA | 50 | 95 | 22kg |
| Model | Voltage | Current(A) | Frequency(Hz) | dB(A)1m | Packing size | Pack | Weight |
| HRB-PS30 | DC12V | 25mA | 50 | 90 | 51*26*17.5 cm | 100pcs | 12kg |
| DC24V | 25mA | 50 | 90 | 12kg | |||
| AC110V | 25mA | 50 | 90 | 12kg | |||
| AC220V | 25mA | 50 | 90 | 12kg |
| Model | Voltage | Curren(A) | (Hz) | dB(A)1m | Packing size | Packing | Weight |
| BJ-1 | DC12V | 20mA | 50 | 95 | 48*28*33 cm | 100pcs | 16kg |
| DC24V | 20mA | 50 | 95 | 16kg | |||
| AC110V | 20mA | 50 | 95 | 22kg | |||
| AC220V | 20mA | 50 | 95 | 22kg |
| Model | Voltage | Power | The horn decibels | Color |
| LTE-1105 | DC12V | 5W | 90db | red yellow green blue |
| LTE-1105J | DC24V | |||
| LTD-1105 | AC110V | |||
| LTD-1105J | AC220V |
