Detect movement, gas leakage, glass break, temperatue and more without wires. Warn you immediately of intruders when you are at home or away with an external loud siren and/or via SMS and auto call three set numbers when needed.

Additional outdoor sensor: This unique weatherproof design SKY-Microwave PIR, is excellent for outdoor use. The wind, trees, sun or small animals will not affect this sensor to give you false alarms.