ITEM NAME:Universal Car Auto Keyless Entry System Door Lock Button with Remote Control Product Description Description: Universal Car Auto Keyless Entry System Door Lock Button with Remote Control Features: 1. Remote locking and unlocking. 2. Improve the LED light output window display. 3. Parking car location search. 4. A flashing alarm. 5. Electric lock air lock and options. 6. ACC test, automatic locking and unlocking. 7. Universal, suitable for almost all types of cars. 8. High stability: using SMD patch components. 9. Acoustic surface resonator frequency stabilization (SAW), 6.5G UHF triode. Specifications: Weight: 189g Size: 90*70*25mm/3.54*2.75*0.98'' Working voltage: 12V (high capacity 27A battery) Working current: ≠¤10mA Working frequency: 315MHz. 433MHz (special frequency can be customized) Frequency deviation: ≠¤  ±75KHz Coding chip: HS1527. PT/HS2240, etc. Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item.Thanks for your understanding. Included: 2 x Key 1 x User Manual 2 x Connecting Cable 1 x Control Box.Acoustic surface resonator frequency stabilization (SAW), 6.5G UHF triode. Electric lock air lock and options. A flashing alarm. Remote locking and unlocking. Universal, suitable for almost all types of cars.