1.1200M intercom range 2. is able to switch back & forth between the two 3. Up to 8 hours of talk time 4.DSP noise cancellation 5. National Level 5 water standards
Colour: Black
Size: about (MM) 110 * 80 * 23 Cord length: about (MM) (short-term) 40 (long-term) 65 Voltage: DC5V Adhesive glue type: 3M Intercom receiving the maximum distance: 1200M (actual range will ultimately depend on weather conditions terrain presence of obstacles namely large vehicles or invisible buildings etc.) Support Talkback: 6 people Description: When people come into the phone in about five seconds later the phone will automatically turn; can also be key to hang up the phone.