<p>Features:</p> <p>[Compact Size] Easy to carry, convenient to use and durable to use.</p> <p>[LCD Display] Clear 5-digit LCD display with backlight, 99999 maximum reading, non-glare in gray, visible in low light environment.</p> <p>[Non-Contact Measurement] Based on integrated MCU, optoelectronic technology and semiconductor laser technology, this tachometer realizes accurate non-contact measurement.</p> <p>[Switchable Measurement Modes] Manual/automatic mode optional, meeting various requirements.</p> <p>[Adjustable Laser Speed] Adjustable laser power (high/low), adapting the far/near distance requirement to protect the user's eyes.</p> <p>[Auto-Recording] Automatically record 50 sets of data, and the sampling time interval could be reset to zero to meet different needs.</p> <p>[Auto Shutdown] Automatic shutdown in 30 seconds without operation.</p> <p>[Additional] <p>Features] Capable of recording maximum, minimum and average values.</p> <p></p> <p>Specifications:</p> <p>Material: ABS</p> <p>Color: Gray</p> <p>Power Supply: 2 * AAA batteries (not included)</p> <p>Consumption: 25mA (low power laser), 40mA (high power laser)</p> <p>Operating Temperature: 0 ~ 50 ℃</p> <p>Storage Temperature: -20 ~ 60 ℃</p> <p>Display: 5-digit LCD, Max. 99999</p> <p>Available Distance: 50mm ~ 500mm</p> <p>Sample Time: 0.5s (plus 120RPM)</p> <p>Measuring Range: 2.5RPM ~ 99999RPM</p> <p>Resolution: 0.1RPM (2.5RPM ~ 999.9RPM), 1RPM (1000RPM ~ 99999RPM)</p> <p>Accuracy: ±0.05% RDG + 1digital</p> <p>Item size: approx. 11 * 6 * 2.5cm / 4.33 * 2.36 * 0.98in</p> <p>Item Weight: Approx. 72g / 2.54oz</p> <p>Package Size: Approx. 19.3 * 12.5 * 4.5cm / 7.6 * 4.92 * 1.77in</p> <p>Package Weight: Approx. 143g / 5.04oz</p> <p>Note:</p> <p>Please read the User Manual before use.</p> <p>Packing List:</p> <p>1 * Digital Tachometer</p> <p>3 * Reflecting Mark Tape</p> <p>1 * User Manual (English)</p>