Smart Key PKE car alarm system with remote engine and push button Passive keyless entry function that automatically locks or unlocks the door when approaching or walking away from the car within 3-6 feet with the key fob Professional car alarm installer installation is required Universal model, not a plug and play device Operating temperature range of -40 to 85 (℃) Smart Key PKE car alarm system with remote engine , push button and passive keyless entry function. IMPORTANT: This item does not work with cars with double pulse for lock/unlock, pneumatic or vacuum locking systems, factory push buttons, , or cars. With the push button, you can /stop your vehicle easier without needing to insert the key into the ignition cylinder once properly installed. Type: Remote-controlled central door lock. Type: One-way anti-theft device. Applicable vehicle models: All vehicle series. Alarm range: 3 to 5 meters. Power supply voltage: 12 (V). Does it have a remote control: Yes. Name: One-click Anti-theft Device. Material: Plastic. Colour: Black. Color: Black Material: plastic Package Contents: 1 set * One-click Anti-theft Device Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.