• 【Standard DTMF incoming and display】 – In addition to the standard caller ID, the standard DTMF input can also be used to effectively avoid errors such as missing numbers.
• 【LED indicator】 - With 9 LED indicators, signal display, call status indicator.
• 【SLOT UPGRADE】 - It is easy to display the contact between the card and the chip, but also beneficial for some customers with Cato to simply insert and remove the phone card.
• 【24 hours work】 Built-in automatic watchdog detection to avoid crashes, avoid crashes and avoid missed calls.
• Automatic gradation: you can use the 12V power supply of the safety alarm system directly.

Upon obtaining damaged items during purchase, the customer may receive another item in exchange