Macally Air-Alarm1 SecurityMan DIY Wireless Home Alarm System Kit
Buy @ www.amazon.com Technical Details:Easy-to-use and cost-effective DIY (do-it-yourself) wireless intruder alarm system kit. * Supports up to 60 wireless sensors * Transmit at 430-433MHz frequency band, wireless transmitting distance up to 300 feet * Supports up to 5 phone numbers for auto alarm call & 1 management center protocol * Easy ¿one-key¿ armed/disarmed operation.