What's in the box:

Car Central Lock

Car Remote Central Lock Locking Keyless Entry System with Remote Controllers

Features:
Remotely lock and unlock your car.
Remote car location.
Learning code remote controls.
Electric lock and air lock.
Flashing alert.
Suitable for all types of vehicles.

Specifications:
Voltage: +12V 2V(DC)
Static current: 8mA
Max current: 15A
Direction output: 15A
Central lock output: 15A
Truck output: -500mA
Frequency: 315MHz
Item size: 8.5 * 7 * 2cm
Net weight: 232g

Package including:
1 * Keyless Entry System
2 * Remote Controllers
1 * Wire
1 * User Manual