Features: 1) Key: wireless and passive 2) Key color: blue 3) Parameter 4) Work voltage: 9-16V, current: 16mA 5) Temperature: -40-80C Function 1) The system will be on alert state while power on. The state blue lamp is flashing, the system is waiting for checking valid RFID key 2) The system will make a sound as two "bi" when the valid key near the antenna box. That's mean the key passed the identification. The state blue lamp power off, the car could be started. (Please start the car within 30 seconds. The system will enter the alert state after the 30 seconds elapsed. That need you make another identification) 3) While the car is started (ACC power on) within the valid 30 seconds after being identified, the system enter sleep state 4) At the time when the car stops (ACC power off), the system enter the valid 30 seconds time immediately. The car could be started (ACC power on) continuously within this 30 seconds time. If the car is not started (ACC power on) within 30 seconds after ACC power off, the system will enter the alert state Notes: 1) Each system is matched with 3 pieces of keys. Each key is unique. The system will make a sound as "bi" continuously if meeting an invalid key attempt pass the identification 2) If user starts the car compulsively not in the valid 30 seconds time, the car oil channel power will be cut off automatically by the system. Simultaneity, the loud speaker will be power on