Features:
Touchless unlock the engine.
Auto arming after flame out.
Immobilize automatically.
Auto disarming, without touching any keys.
Waterproof ECU with built-in siren.
Light smart key. Smart key programming. Replaceable smart key battery.
Adjustable shock sensor sensitivity.
Alarm for illegal ignition. Warning for triggered system. Active arming. Arming reminder. Low smart key battery warning.

Specifications:
General:
Brand: Steelmate
Model No.: SKM21
Package Size: 18 * 13 * 6.7cm / 7 * 5 * 2.6in  
Package Weight: 300g / 10.6oz  
ECU:
Operating Frequency: 2.402GHz~2.480GHz
Operating Voltage: 9~16V
Operating Current: ≤500mA
Static Current: ≤2.5mA
Operating Temp: -40℃ ~+85℃ / -40℉~+185℉
Detective Distance: 0 ~ 6m
Siren SPL: 105~125dB
Smart Key:
Operating Frequency: 2.402GHz~2.480GHz
Operating Voltage: 2.5 ~ 3.5V
Operating Current: <6mA
Static Current: ≤2uA
Detective Distance: 0 ~ 6m

Package List:  K5305
1 * ECU
1 * Wire Harness
2 * Smart Keys
1 * Spare Fuse
1 * User Manual