2.  Weather resistant to IP65 standard.
3.  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. when calls in the warning lights turn on

10. SPQ-M-KTS1 built-in two 15W speakers in both sides, ringer broadcast through amplified loudspeakers. Lights flashing at the top when calls in, In order to avoid missing a call, while the ring count, after several rings (factory set to 5 times) the machine will automatically start, open speaker, and the calling's voice broadcast by SPQ-M-KTS1's speaker to nearby personnel.
11. Ingress Protection: GB4208-93 IP66 EMC: EN55022/EN55024/EN50121-3-2:2006 FCC

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