When environmental noise is louder than 90 db, the bell sound of ordinary telehone is hard to be heard. Thanks to our emergency telephone with speaker, this problem is resolved. It has a built-in Power amplifier system which can amplifier bell sound. When bell rings several times (adjustable), the telephone would answer autoamatically. The built-in amplifier which is connected to external loudspeaker horn works perfectly on either 220 volts AC or 110 Volts AC.

Features:

- High power amplifier to amplify bell sound.
- Warning light for prompting incoming calls.
- Amplification will be canceled automatically and the telephone will be in standby status in following cases:
a. Call stops when the times of ringing are less than the setting times.
b. Call is answered successfully, and then the telephone receives busy signal or polarit reversing signal from exchange board.
c. Call is answered by user.
- WEATHER-PROOF! The highest level of waterproof in china
- Easily wall mountable on its own or can be mounted to a pedestal. Optional pedestal options are available below.
- Speed dial,auto dial.
- Stainless steel keyboard
- Vandal resistant.
- Durable powder-coated finish.
- Works with any standard telephone line.
- Can be used on most PBX systems as an extension phone.
- Door latch allows door to be locked if necessary (pad-lock not included).
- Magnetic hook switch (lever-less).
- All components including the handset, transmitter, keypad, ringer, circuit board and cabinet are designed to be multi-layer waterproof and dust proof.
- Noise-Canceling Microphone option is recommended for loud environments.
- Cabinet is constructed of aluminum alloy die-casting.
- VOIP compatible.
- Customizable shell color
- Available for screen printing of logo