| Usage/Application | BUS STAND, RAILWAYS, OFFICES, ETC |
| Color | BLACK |
| Country of Origin | Made in India |
| Brand | ESSL |
| Model Name/Number | HM300 |
Product dimension: 340mm x 140mm x 30mm,
Package Size : 360mm * 150mm* 50 mm ,
Working frequency : About 20 KHz ,
Alarms : sound (or vibration) and light ,
Power supply : Standard 9V battery or rechargeable battery(optional) .