Macna - Heated Body Warmer Cloud Black Key Features: 

• Best suited to cold weather riding.
• Heating Element: Macna Dual power (7.4V or 12V ) 4 level heat setting
• Heating element covers entire front and back torso as well at the neck at the collar
• Shell filled with feather and duck down for warmth retention
• Ability to directly connect to Bike battery. Option 12V cable required (sold separately)
• Multiple battery size options to suit light and heavy users. (batteries sold separately)
• Over 3 Hours hours of heat on the lowest setting and 1½ hours on the highest setting
• Bluetooth connectivity using the Macna Heated App for Android and IOS
• Four heat setting to better manage your warmth requirements
• 1 Year manufactures material and workmanship limited warranty at time of original purchase
• 10 Years warranty on the heating elements (Electric resistor connected to the connector with the fastener)
• Great for off the bike use as well for activities like hiking, fishing golf or general everyday use.

Battery not include : https://amawarehouse.com.au/products/macna-12v-6a-single-battery-kit-092761?srsltid=AfmBOor-foxKZcSLKKnn0bhHZAtOewk3gGEJ70gUyO520LHFELghfhG7