New style remote control keyfob for alarm system

New car keyfob style remote control keyfob for Arm/Stay Arm/Disarm the wireless alarm systems, working at 433MHz wireless band, power by long life span battery. Totally with four buttons; Arm/Stay Arm/Disarm/Panic (SOS). With LED indicator for emitting indication.
Technical information
- Working voltage: DC12V
- Battery type: 12V 23A cell battery
- Battery life: >= 1 year
- Wireless frequency: 433MHz
- Wireless transmission range: 100 meters (in open space)
- Key: Arm away, Disarm, Arm home, panic