Features:
Pocket Size
Contact and Photo off
Data Logging up to 100groups
LCD Backlight & Data Hold  

Specification:
Non-Contact Measurement: 50~99999RPM ±（0.03％+2）
Measuring distance: 50mm to 250mm (when the battery voltage is sufficient)
Auto Power off: 30s
MAX / MIN / AVG Functions
Data Logging: 100groups
Data Hold
LCD Backlight
Low Battery Indication

General Characteristics:
Power Supply: 4 * 1.5AAA(not included)
Product Size: 155 * 60 * 29mm
Product Weight: 120g
Package Size: 23.3 * 13 * 6cm / 9.2 * 5.2 * 2.4in
Package  Weight: 424g / 15oz

Package List:
1 * MASTECH MS6208B Digital Tachometer
1 * Reflective Sheeting
1 * Carrying Bag
1 * English Manual