Firerose EX4500 Disposable Vape is an EGO-T style dry herb box mod. It has a built-in 1500 mAh battery, a 2ml tank capacity, and a 510 thread connector. This configuration allows you to use standard EGO-T tanks as well as any tank/RDA/RBA of your choice. The Firerose Vape EX4500 has two output power modes: standard voltage and high power. In high power mode, the maximum output can reach up to 40 W. As a result, it will work with any tank you place on top of this device.