WER Wireless Security Senor Home Garage Store Security Surveillance Alarm Remote Control Anti-Theft Alarm(2 Pack) Range: 5-10 METER; Loud: 105 Db alarm Occasion: home, office, shed, garage, store; protecting your property against unwelcome intruders Complete with 2 remote controls for ON/OFF; operating under an angle of 110 Adjustable wall mounting bracket; Built in PIR motion sensor Comes complete with 2 remote controls; Requires 4 x AA batteries (not included)