Brand Name: MINCO HEAT Does it include wireless functionality?: No Does it include a Battery?: No High-concerned chemical: None Material: PEX Origin: Mainland China Voltage: 220 V Type: Floor Heating Parts Floor Heating Part Type: Floor Heating Films Model Number: HF-220 Certification: CE Working voltage: 200~240V Rate power: 220W/m2(+-10%) Width: 50cm Thickness: 0.338mm