PTEN
Alarm Bell กระดิ่งไฟฟ้า
| Type No. | Voltage | Price. |
| CB-4B | AC 220 V. | 300.- |
| CB-6B | AC 220 V. | 500.- |
| CB-8B | AC 220 V. | 650.- |
| CB-10B | AC 220 V. | 850.- |
Buzzer Bell Siren ออดไซเรน
| Type No. | Rated Voltage | Power dBA | Price |
| EBL-1 (ออดฝัง) | AC110 V, AC220 V | 40 db | 250.- |
| DC12 V, DC24 V | 40 db | 290.- | |
| EBL-2 (ออดลอย) | AC110 V, AC220 V | 80 db | 210.- |
| DC12 V, DC24 V | 80 db | 310.- | |
| EBL-3 (ออดฝัง) | AC110 V, AC220 V | 80 db | 300.- |
| DC12 V, DC24 V | 80 db | 340.- |