Catalog > Consumer Electronics > Security & Alarms > Access Control > Remote Controllers TX2 Channel Code Hopping 433MHZ Rolling Code Transmitter TX2 Channel Code Hopping 433MHZ Part No: UNI433ETTX2H 201.25 ZAR inc for 1 Each (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview The Rolling- Code Format Transmits a random code with every operation. 10~100m Range Line of Sight. Baterry Low Indication. Additional Information Frequency 433.92MHz Colour Blue-Green/Blue Channels / Buttons 2 Channel 2 Button