A9 alarm controller
	Shield-shaped one-way alarm controller.
	Major parameters:
	1)  Inbuilt battery type: 3V/CR2450 lithium battery.
	2)  Exterior power adapter: DC-5V / 1.5A (USB plug).
	3)  Maximum battery standby: 1 year.
	4)  Alarm volume: 85-105db.
	5)  Alarm indication: red LED light twinkling.
	6)  Tamper indication: green (or blue) LED light twinkling
	7)  Low battery indication: red LED twinkling with a "beep" given.
	8)  Turn on / off alarm: sound & light indication.
	9)  Charger function: 4.2-5V charger output for mobile phone.
	10) Alarm switch: Remote control.
	11) Outer casing material: ABS.
	Compatibility: compatible with various sensors.