• Optwin® bi-directional dual-channel digital radio transmission.
  
• Up to 400 m free field range (depending on environmental and installation conditions).
  
• Hands-free or hand-held operation.
  
• 9 different tunes, allocation of a tone for each entrance or calling handset.
  
• Silence mode during calls: back-lighting enabled, handset ring tone disabled.
  
• Indication of missed visitor calls.
  
• 4 latches, 4 automatic gates, 4 automatic garage doors and 4 lights can be controlled per handset.
  
• Communication possible during entrance opening operation.
  
• Volume setting possible during communication.
  
• Remote listening to background sounds at the outdoor caller unit and two-way speech possible.
  
• Communication automatically cut off after 3 minutes.
  
• Display of status of entrances and garage doors (open or closed) and of lighting (on or off).
  
• Display of outdoor temperature (measured on the controller) and indoor temperature (measured on the handset).
  
• Volume setting of ring tones, communication and outdoor caller unit.
  
• Customisation (8 characters) of each input, control device or handset.
  
• Removable belt clip.
  
• Fixing devices supplied.
  
• Built-in microphone and loudspeaker.
  
• 8-character LCD screen.
  
• Choice of 6 languages for the handset unit: French, English, German, Italian, Spanish or Dutch.
  
• Base to be placed on a table or fixed to a wall using the T-bracket supplied.
  
• White ABS plastic casing.
  
• Degrees of protection: IP31 / IK04.
  
• Handset dimensions (W x H x D): 54 x 150 x 28 mm.
  
• Weight of handset with base: 565 g.
  
• Operating temperature: - 5°C to + 55°C.
  
• Indoor use.
  

Battery life of up to 5 years