Temperature of hot water outflow depends on the water temperature from inlet as well as the volume of water flow.It varies in different regions. The water temperature you get is not necessarily within the water temperature range in the description. If it's cold in your area and you have high water temperature requirements, please DO NOT BUY THIS WATER HEATER! The water heater must be installed vertically! Before using the machine, first turn the water on and then power on. Avoid damage. The water heater needs to reach the required water pressure to start. Be sure to check out the instructional video before using! If you don't understand, contact customer service! Do not modify the water heater without permission! There is a certain difference between the display temperature and the actual water temperature. Warning!!! 1. When you receive the water heater, please do not test it immediately on your hands. 2. You need to install it well and then test it, or it be dangerous. 3. Please operate it according to the instructions. 4. The normal operation of the water heater requires that the power of the power supply must meet the power of the water heater. Plug Type:UK plug,it applies to Malaysia, the United Kingdom and so on. Voltage: AC220V Color: White Material: plastic+metal Package Contents: 1 * Shower 1 * Manual in Chinese and English 1 * Water heater 1Set * installation accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.