Features
- Memory: 20 Telephone Number
 - Message Recording: 20 Second
 - LCD with Back Light
 
- Memory: 20 Telephone Number
 - Message Recording: 20 Second
 - Double Message Mode: 2 x 10 Memory
 - LCD with back light
 - Dialing Mode: Tone(FTMF)/ Pulse
 - Two Trigger: (+/-)
 - Alarm: Alarm memory
 - Operating Voltage: 10V DC to 13.8V DC
 - Standby Current: Maximum 25 mA (at 12VDC)
 - Operating Current: Maximum 100 mA (at 12V DC)
 - Memory: Flash Memory
 
User Manual :
NEW Version:  https://tinyurl.com/Manual-PTD1
OLD Version : https://tinyurl.com/PTD1-OLD-Version