Please be sure to remove the red transport screws on the bottom, before use. If the screw is not removed, the machine would be broken after several shocks. The screw is aimed to fix the machine during transportation. It must be removed before you power on the machine!! Product name: HL-AH G6 Amalgamator Brand: Zoneray Feature: 1. Time setting with memory function. Security Guard design, the motor will stop when the mask is open. Noiseless, Stable operation, Electrical safety standard met. Automatic alarm to remind, Easy maintenance. Power voltage: AC 220±5V, 50HZ Motor power: 40W Blending speed: High speed: 4200rpm; Low speed: 2800rpm Range of timing: 4S~60S Noise level: less than 65db (A) Gross weight: 2.6kg Size: 285245225mm Res. Dental Amalgamator Amalgam Capsule Mixer with Digital LCD Display Mixng Machine. It must be removed before you power on the machine! Product name: HL-AH G6 Amalgamator. Power voltage: AC 220±5V, 50HZ. Blending speed: High speed: 4200rpm; Low speed: 2800rpm. Range of timing: 4S~60S. Noise level: less than 65db (A). Gross weight: 2.6kg. Resolutions on broken mask: if you press the start/stop button, the device doesn’t work, it’s probably that the hall part of the mask falls off. Resolution: In the shutdown state, press the start/stop and the bear switch together, the screen shows “O”/”U”, then slacken the start/stop button, and press speed-up to switch from “O” and “U”, when finished, turn off the rear switch. Turn on the switch again, while it is on “O”, open the mask, the device will stop working, while it is on “U” with the mask closed, the device can work continually. However, the resolution is only for emergency use, please sent to the maintenance department of medical device and manufacturers. France, Germany, spain, Italy. Feedback is very important to us. It is impossible to address issues if we do not know about them! Please keep the original box or packaging within 15days since item received. Your satisfaction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday.