Hope the Yocan UNI Pro accompany you every time!

Here is the comprehensive info about it!

Features & Specs
100% authentic Yocan brand guaranteed
Lightweight and portable size
Dimensions: 77.5mm x 36.5mm x 25.7mm
Patented adjustable port size perfectly matches every oil atomizer
Cartridge port fits: 7mm-14mm wide
Includes uni tall magnetic adapter with 4 bottom airflow notches
Bright OLED screen shows output settings, battery life, atomizer resistance and session timer
Powerful and long-lasting 650mah lithium-ion cell
Variable voltage output w/ precision control: 2.0-4.2v in 0.1v increments
Low output preheat warming mode with 10-second duration
The convenient three-button control interface
A user-friendly oil atomizer window allows you to easily see when to refill next
The hanging hole attachment area easily connects with lanyards (not included)
Purchase in your choice of six sleek colour options

Instructions/How to Use
Quickly press the power button 5 times in 2 seconds to power on/off
Press the power button 2 times to start to preheat mode, 2 more clicks to cancel
Press/hold power button to heat cartridge for up to 15 seconds
Use bottom left (-) and right (+) buttons to adjust voltage settings

Included:
1 x UNI Pro Vaporizer
1 x Universal Adapter
1 x USB Charging Cable
1 x User Manual