Extech DT100 Ultrasonic Distance Meter - Distance meter with built-in laser pointer for easy targeting

• Measures from 1'8" to 50' (0.5 to 15m)
• Takes the sum of consecutive length measurements
• Automatically calculates Area and Volume
• Store/Recall up to 3 readings
• Built-in white LED flashlight
• Visual and audible error alarms
• Low battery indicator, auto power off