Durable alloy construction with a feel and comfortable touch. Compact and portable for easy carrying, with an anti loss function to help you keep track of the key. Physical side keys for quick control. Lock, unlock, and trunk operations are accessible at a glance for reliable, tactile use. Seamless keyless entry. The door unlocks automatically as you approach the vehicle and locks when you leave, delivering a smooth, effortless experience. Window lift function with timing. Locking and window lift timing can be tailored to match your preferences for comfort and efficiency on every trip. Key attributes Material: alloy Function: LCD smart car key with keyless entry, side buttons for lock/unlock/trunk, and window lift control Size: compact, portable design for easy carrying Performance: durable construction with anti loss function and reliable proximity entry Use scenarios Situation 1: Carrying bags from the store. As you approach the car, the keyless entry unlocks automatically, allowing you to open the door without digging for the key, and you can use the side trunk button to access the cargo area when needed. Situation 2: Parking and loading groceries. Stay secure with the side lock button while you load items; use the trunk button to open the trunk without reaching into the vehicle. Situation 3: Preparing a comfortable cabin before travel. the window lift and lock timing to vent or prepare the interior before you get in, tailoring the experience to your preferences. Note: This description reflects the product's features as specified—durable alloy construction, anti loss function, side key controls, seamless keyless entry, and adjustable window lift timing.