... theft, no triming 3. Easy to install, connect the plug dir Product size:30X23X8, Carton 1.4KG/setCar ... 1. Keyless to start engine for cars 2. The car original upgrade anti-theft, no triming 3. ... Easy to install, connect the plug directly 4. The car engine lock function 5. Double protection, ... when driving 8. Lowest consumption, to protect the storage battery. Car alarm system (YD-CA1)