Weatherproof Expand Volume Phone (warning light)

1. Robust aluminum alloy die-cast body, Vandal resistant and tamper-resistant hardware, and simple installation.

2. WEATHER-PROOF! The highest level of waterproof in china IP673. Door cover: orient automatically and good self - closing, convenient for use.4. Works with any standard telephone line. No external power or battery back up required.5. Handset: made of special engineering plastic, high anti-knock resistance, Weatherproof, armoured cable optional.

6. Magnetic reed hook switch .7. Noise-Canceling Microphone option is recommended for loud environments.8. Handset integrity wiring to enable the telephone system to check if the telephone unit is still operational.

9. All of the components including keypad, buzzer, circuit board and cabinet are designed to be multi - layer waterproof and dust - proof which is up to Class III grade. The whole machine is up to national standard GB4208-93 IP 66.

10. Phone is provided with high stability, high anti-jamming capability standard to GB/T 15279-94.

11. SPQ-FSP2 can solve this problem well with a 30W high voice loudspeaker connected. After several times (the phone itself is set for 5times and this time adjustable), the phone can auto dial, and notice through loudspeaker.