High-speed ultrasonic sensor Model RPS-400-6 boasts a compact size of 0.75 x 2.00 x 1.5 in. and thus fits well in tight locations. Unaffected by changes in target color or material, it is ideal for detecting clear objects. Background suppression is a standard feature. Migatron Corp., Woodstock, IL • Operational Range - Adjustable 2" to 6" • Weight of Controller - 2 ounces