3Pcs DIY Frequency Tester 1Hz-50MHz Crystal Counter Meter With Housing Kit

Features:

Measurable frequency range: 1Hz to 50MHz
Measurable signal frequency: up to 30V
Can measure most commonly used crystal of oscillation frequency
Five-digit accuracy resolution
Automatic range switching
Programmable frequency setting for measuring radio transceiver equipment
Selectable power-saving mode, if there is no significant change in 15 seconds automatically turn off the display frequency
Wide power supply range, you can use a common USB interface power supply, can also use an external power supply or 9V battery 5-12V

Note:

This is a DIY kit, you need to have some knowledge of electronics and ability.
File: http://img.staticbg.com/file/products/20160817023551SKU360318.pdf

Package included:

3 x DIY kit
3 x Transparent housing