Johnson Controls HE-67S3-0N0BT Wall Mount Humidity Element Transmitter with Silicon Temperature Sensor<img src="http://ecx.images-amazon.com/images/I/515KXEfizHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51tr07toPnL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51NfJRiOU2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51efHgYQS2L.jpg" noproxy>