AdirPro LD-8 Universal Rotary Laser Receiver Detector with Rod Clamp DUAL-SIDED LCD DISPLAY. For easy visual readout on both sides of receiver, this unit is outfitted with a dual-sided LCD display. The readouts are clear and accurate, showing the elevation, grade sensitivity, audio and battery status with a working range of 100 ft. EASY TO USE. This unit features a user-friendly interface and is smart in its simple design. Both the volume and backlight can be adjusted with the simple touch of a button. In addition, a magnetic strip allows you to affix the receiver on any metal surface. DURABLE CONSTRUCTION. The detector is expertly crafted with a hard plastic housing and rubber casing to provide long-lasting strength and use. These materials will also offer protection against weather conditions when you're working outdoors. COMPATIBLE ROD MOUNTING BRACKET. You can easily secure the receiver to the clamp with the  thread screw, then clamp the receiver to a grade rod or wooden pole. The bolt adjustment system adjusts with a simple screwing motion to secure the clamp to the rod or pole. LONG BATTERY LIFE. The AdirPro comes complete with two new AA batteries, providing you with approximately 40 working hours. There is also an automatic shut-off feature that will power down the device after about ten minutes of being idle to extend battery life.