£30.00 inc postage

USE THIS QUALITY WIRELESS WEATHERPROOF  OPEN ALERT ALARM TO PROTECT YOUR GARAGE/SHED/CARAVAN SHOP DOOR ENTRY   

 FEATURES/SPECIFICATION

• Transmitter will detect garage door open and will send a wireless radio signal to trigger receiver that will activate the alarm
• Transmitter unit comes with 3V lithium battery(CR2032) included
• Water resistant and weatherproof transmitter
• Receiver works with 3 C size batteries(not included) and also comes with DC jack(included) which can also be used with a power adapter(£5.00)
• 6 melody receiver for optional and easily distinguish trigger sensor
• Alert/Off/Alarm switch
• Sound High/Low switch
• External trigger input terminal compatible wired magnetic sensor for normal door
• Battery low indicator LED for transmitter and receiver
• Wireless RF transmission distance up to 40 meters.