Additional indoor module for the plug-in intercom system. No new wires are required to the add indoor module to the intercom system. Just plug into an electrical outlet and you are ready.

This is an additional unit to be used with the Wireless 4 Channel Intercom System (HC-WHWI4C). If you need to expand your wireless intercom system, you can easily use this unit. Just plug into any electrical outlet and talk. No installation or batteries required. Press CALL to page another room. Press TALK to converse.

Additional doorbell module for the Doorbell Intercom system. Allows communication from an additional door. Communicate from the front door to a gate or to the back door.

This is an additional sensor/transmitter for the Voice Alert System (HC-CIVA6000S). It allows you to add extra zones to the system, up to six zones. Since it is wireless is a great solution to handle tough wiring situations.

This is an EXTRA color camera with audio for the Teklink Mini-AirWatch Color Camera System. TekLink's Mini-AirWatch is a tiny wireless security color camera system for homes or small businesses. You can put the Wireless camera anywhere and transmits a vivid color video feed directly to your TV or VCR so you can monitor whats happening in and around your home or business.

This is a plug-in doorbell intercom. If you have a doorbell, no new wires are needed for this intercom system. You can use your existing doorbell wiring to connect an intercom doorBox and communicate to a plug-in interior intercom module via the existing electrical power line in your home. This plug-in doorbell intercom is expandable up to 4 stations. This kit comes with a doorbell module and one 3-channel power line indoor intercom module.

The TeleMaster Intercom Interface plugs into the TeleMaster (HC-HCTMS, sold separately) and allows you to use your house phones as an intercom. You enter a special code on any touch-tone house phone and the phone line will disconnect all the telephones from the telephone company to allow conversation to take place in the home as an intercom system.

Communications systems are an important part of your automated home. This wireless 4 channel intercom is a complete in-home intercom system. It is ideal for homes or small businesses. Allows you to conveniently talk or monitor other rooms. No installation or batteries required --just plug into any electrical outlet and talk. It includes 2 units.

This is an additional wireless transmitter for the Optex 1000 Annunciator System. This PIR detector is made for indoor or outdoor use and has detection patterns for doorway and driveway coverage. Just insert a 9V battery and mount the detector wherever you want detection, then plug-in the chimebox receiver to complete the installation. WIRELESS1000, from Optex, is a wireless chime for indoor and outdoor applications. Its wireless PIR.

Mini-AirWatch is a tiny wireless security color camera system for homes or small businesses. Mini-AirWatch kit comes with a tiny, powerful wireless video camera and video receiver. You can put the Wireless camera anywhere and transmits a vivid color video feed directly to your TV or your VCR or DVR so you can monitor whats happening in and around your home or business.

The 5 Channel Wireless Intercom Console provides a wireless audio communication link between up to five console stations and one or two remote wireless doorbell intercom units. The intercom uses digital signals to control the stations called and provides a unique "house code" that prevents other nearby intercoms from accessing the system. Either of two radio frequencies can be selected for the intercoms to further eliminate the chance of interference from adjacent systems. The doorbell attaches to a wall with the mounting plate provided. Two 9-volt alkaline batteries power the doorbell intercom.

This is an EXTRA color camera for the OutdoorWatch Color Camera System. The OutdoorWatch camera is a 2.4GHz wireless outdoor/indoor color camera with audio and night vision. You can put the wireless camera anywhere and transmits a vivid color video feed directly to your TV or VCR so you can monitor whats happening in and around your home or business day or night.