1. Install 3 pieces AAA batteries (NOT included)
2. Place the pocket microscope on the observation object
3. Turn on the LED light
4. Adjust the focus to observe.
Batteries are NOT included for safety.
The mobile phone is not included .
The cell phone clip is not suitable for all mobile phones, it is only suitable for mobile phones whose camera is less than 25 mm from the edge. Please check your phone before you place an order. Thanks.