Please be noted that our delivery service doesn't support the PO Box address. To ensure the delivery, kindly leave the physical address when placing the order, we arrange the shipment ASAP.
Not a stand alone device. Reciever only works with Hosmart Sensor
very sensitive to road traffic had to point them way away from the road but they work great now
works at long distance and through thick walls.
So far we are very pleased with the purchase.
Works well gives me a peace of mind