Functions: 1. Automatic checking of FSK/DTMF dual system. 2. Easy to install: Can be placed on the desktop. 3. Maximum 50 groups of 8 digits or 32 groups 16 digits for incoming call record.. 4. Maximum 14 groups of 8 digits or 8 groups 16 digits for outgoing call record. 5. Real time, date, day, and caller ID display. 6. 5 levels LCD brightness adjustable. 7. 16 ringer tones selectable. 8. Speaker volume adjustable. 9. Flash time 90/95/100/120/180/300/600/1000ms selectable. 10. 3 Groups of alarm could be set. 11. 2 Memories functions. Features: 1. High quality ABS material, durable for long service life. 2. Powered by telephone line, no need to install battery, energy saving and environmental protection. 3. Power Supply: Telephone Line Power Supply Package List: 1 * Telephone 1 * Telephone Cable 1 * Handle 1 * Handle Cable
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