Video intercom KNZD-20W The emergency call telephone will be designed to work on railway, metro, tunnel, etc. Housed in stainless steel box with one CALL/ANSWER button,it will offer protection against the outdoor environment and vandals.The unit will meet all the latest European/UK standards telephony,waterproofing IP65,and lightening protection together with offering the level of performance and reliability demanded in such an environment. 1. Main body with whole stainless steel body, solid and temperature bearable 2. Handset free, loudspeaker, 3. Resume lightning proof protection automatically standard to ITU-T K21 4. Waterproof grade is IP65(can improve to IP67) 5. The metal shell is provided with grounding connection device and is absolutely insulated with inner circuit and electric , then has the effect of electromagnetism shield. 6. Support hotline call, can realize ring off automatically if the other side close. 7. Totally adopt SMTC craftwork keep very good quality. 8. The design is super thin and smart. Embed style and hanging style can be chosen. 9. Every call is limited(set by five minutes), auto ring off if time exceeded. (Optional) 10.The telephone has passed the certificate of ISO9000(2000) HONGKONG KOON TECHNOLOGY LTD TEL:Q086755 29790158/27448753 Fax:0086755 29790278 Em ail: marketing® koontech.com www.koontech.com

Telephone Layout Specification Main technical indexes: 1. Applicable for various types of SPC exchange and dispatching exchange system with feeding voltage of 33-60V. 2. Ambient temperature: -30 ~ +60 degreeRelative humidity: 10%~95%Atmospheric pressure:86~106Kpa Circumstance noise: less than 60dB(A). 3. Sound level of ringing: over 70dB(A). 4. Standard frequency: low frequency group: 697. 770. 852. 941Hz,high frequency group: 1209, 1336, 1477Hz, frequency deviation: -1.5%—+1.5%.If service line is a 3Km signal-level: Standard frequency: low frequency group: -12dB—-6dB, high frequency group: -10dB—-4dB,level...

Packaging specifications! Machine size:320 *205 *80( mm ) Carton size:340 *235 *165( mm ) Packaging material: pearl cotton, carton Gross weight:3.3KG Net weight:2.6KG HONGKONG KOON TECHNOLOGY LTD TEL0086755 29790158/27448753 Fax:0086755 29790278 Email:[email protected] www.koontech.com