Vandal-proof telephone KNZD-05

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Vandal proof phone model：KNZD-05 size：280X150X60mm material：Cold-roll steel sheets KNZD-05 vandal proof phone vandal proof phone for inmate phone calls purpose. made of metal body. The vandal proof phone is rugged and durable. The vandal proof phone widely use in Jail and prison for inmate calls. The vandal proof phone are strong. The inmate can put money on phone for inmate calls.vandal proof phone for inmate phone calls purpose. made of metal body. The vandal proof phone is rugged and durable. The vandal proof phone widely use in Jail and prison for inmate calls. The vandal proof phone are strong. The inmate can put money on phone for inmate calls. DESCRIPTION ITEM 1. Cold-roll steel body, vandal & tamper-resistant hardware, easy installation. 2. Waterproof rating IP55 dust proof. 3. Full keypad with memory, 10 button programmable telephone, support free dial. 4. Magnetic reed hook-switch. 5. Lightening protection to ITU-T recommendation K.21. 6. Heavy duty handset with hearing aid compatible receiver, noise canceling microphone. 7. Handset with industrial strong metal cord. 8. POE power supply or DC12V. 9. SUS keypad keep waterproof and dusty proof. 10. Temperature range from -40 degree to +70 degree. 11. Support echo cancellation, wall mounted type. 12. Remote software upgrade, configuration and monitoring. 13. Optional 7 minute time out to release the line if the handset is left off hook. (This function upon buyer’s requirement). 14. Powder coated in UV stabilized polyester finish. 15. The housing covered with a layer of reflective label for easy identification at night. Optional