stand alone PIR alarm with remote control

Easy DIY installation - no wiring
105dB high frequency siren
Infrared remote control on/off switch
120 adjustable PIR movement detector
9m approx. detection range
15second Entry/exit delay to avoid false alarms
Automatic reset after activation
Wall mounted or free standing
Requirement Power: 4 x AA BATTERY (Not Included) or AC Power Supply Adaptor 9VDC (Not Included)
2PCS OF REMOTE CONTROL
REMOTE CONTROL Battery requirement : 3 x LR44 (Included)