Void property security: 3G wireless GSM temporary vacant property intruder alarm and security camera hire - no electricity or telephone connection needed – with 24hr monitoring and key holder alarm response John Hicks, founder of Property Security Group Limited writes: Property Security Group Limited 3G vacant property alarms, incorporating portable wireless security cameras to reduce false alarms, deter and prevent the theft of expensive materials, graffiti vandals, squatters or homeless intrusion and wanton vandalism. This applies for both vacant commercial property, empty hotel premises and vacant residential property alike! The wireless 3G systems are truly standalone, wireless and do not require electricity, telephone or broadband connection. These can be installed to protect the whole site and/or vulnerable areas. Property Security Group’s visual verification camera alarm systems for hire are monitored 24/7 by a monitoring station, so on activation of one of the PIR came