Feature: 1. real wear - 1:1 model from the movie. 2. The hat is a good Superhero cosplay for movie fans. You can wear it as a treasure. Whether for entertainment or art education, the masks are worth it. 3. Put on the superhero mask and you will look like a real superhero, believe me you should have it. 4. A cosplay mask is more than a toy. It can also be considered as an ornament. Placed in the living room, guests won't be able to resist when they see it. Name: MK5 Helmet Material: ABS Size: 1: 1 wearable Control method: full multi-chip opening and closing, voice control, touch recognition Vision: Glod/Red Diameter: head circumference less than 60cm can be used. You need to bring your own battery: Helmet battery: AA battery * 4 Remote control battery: AAA battery * 1 The electrical box is hidden in the back of the black pad on the back. Remove the back cover before use Package includes: 1 * MK 5 helmet 1 * remote control Helmet common failures: usually the use of battery power does not meet the requirements of the problem, please use a better new battery Important Pre-Use Tips Helmet batteries and mounting Remote Control Battery: 1 * AAA battery (Battery not included). 1 - Integral Mask Toggle Button. 2 - Eye Lamp Tiggke Button. 3 - Slice Mask Toggle Button. Battery Power Helmet Battery: 4 * AA batteries (Battery not included) The battery box is hidden on the back of the black pad on the back cover.