1 pcs Ozone Generatorr & 1 pcs P Button Foot Brake Release Switch Only applicable to for Mercedes-Benz E-Class W212 2013-2015 / for Mercedes-Benz C-Class W204 2009-2014 / for Mercedes-Benz GLK how to use: 1. Clean and dry the area to be installed. 2. Check the location. Tear off the double cover. 3. Tear off both ends of the protective film. Ozone Generator: Air volume: 50 m³ / h Power (W): 10w Function: Sterilize Installation: Portable Type: Ozone Generator Anion Density: 1000000pcs / m³ Usage Condition: Car charger Power source: Vehicle Power Supply Capacity (CFM): OG-02 Application area: 11-20 o Application: 10-20 m³ Style: Air Purifier sound: less than equal 35db power supply: the vehicle's power Ozone sterilization, no residue of toxins. Eliminates odors, freshens stale air. Low power consumption, safe, quiet and efficient. An auto sterilization time only requires three to eight minutes, very efficient. Mini format, portable and easy to operate. Ozone Output: 10g Input voltage: DC 12 V Working power: ≈ 95 w Operating frequency: 16 kHz Noise: 20 (dB) Operating temperature: -10 centigrade-60 centigrade Humidity: 35% -85% RH Storage temperature: -20 centigrade-70 centigrade colour:Black + blue Material:Ceramic + metal size:146 x 57 x 85MM Hand Brake Cover: Colour:Silver Material:Stainless steel Package Contents: 1 * Ozone Generator 1 * Hand Brake Cover