For BYD-Tang DM BYD-Song DM EV MAX Pro BYD-Qin Pro Smart Key Blade https://www.hc-key.com/product/smart-key-blade/ Applicable models： BYD-Tang DM BYD-Song DM EV MAX Pro BYD-Qin Pro Product material: Brass Surface treatment: Non-electroplated nickel Product specification: 1.7×7.8×43 Product unit weight: 6.8 g Product advantages: Easy cutting, easy processing.