This is a dual channel transmitter that is activated only after having entered a suitable combination. The units are designed to be installed in an indoor and outdoor locations. That ensures the utmost security because the transmitted code is changed at each transmission session. Estimated transmission range: 200m in open space, 35m indoors. The units are designed to ensure battery life equivalent to an estimated 2 years of operation considering 10 transmissions a day.
Standard shipping costs do not apply to this product. Please contact us if you're interested in this product.