Mr Delta 510 Battery Cartbox Pro Fits Upto 2 Gram Carts Ct 5 Color- Black Battery: 650mAh Charging Port: Type-C Various Voltage: 2.8V / 3.4V / 3.8V To Adjust Voltage: Rapidly press the button 3 times within 1.5 seconds to change voltage Green Light Indicates: 2.8V Blue Light Indicates: 3.4V Red Light Indicates: 3.8V Preheating: Rapidly press the button twice within 1.5 seconds to preheat. Power On/Off: Rapidly press the button 5 times to power on, the switch light will flash once. Press button 5 times rapidly to power off, the device will not automatically power off. *Size color may vary due to hand-made Shop Bongs Dab Rigs Pipes Grinders Smoking Accessories Rolling Accessories My Account My Orders Shopping Cart My Account Reviews Raise a Claim Information About Us Contact Us Blog Reward Points Program Shipping Policy Return Policy Payment Methods Career FAQ Contact Us Address: 2041, 41 AVE NE, CALGARY,AB, T2E 6P2, CANADA Call us: +1-403-764-4420 Fax: +1-403-764-4421 Toll Free: 1-866-837-3535 Email us: info@maplecraft.ca Follow us on: Sign Up Newsletter: Enter Your Email -- Exclusive Distributor -- About Us Shipping Policy Privacy Policy FAQ Contact Us **Sales, Deals and any promotional items are not included in rewards point system. payment logos