... can be linked with other security system when switch signal output. Use: Prevention for road, railway, airport, residence district ... effectively.♥ Alarm: intruder break in forcedly, the system will send out two alarm modes: short circuit ... and the corner♥ Security is reliable,the system adopts the high voltage,low energy design ideas, without any ... Compliant with IEC60335-2-76♥ Tested for EMC Compliance