Redwall-V™ Outdoor PIR detector, Low power consumption: 3 - 9VDC, 40 ?A (in standby mode) 5 mA maximum. Range: 40mx 4m. Maximum installation height up to 4m. Can be used together with REDWALL™ Wire-free WF100DT (Digital transmitter), WF100CU (Control unit) and WF100EU (Expansion unit), if its necessary, to form a complet radio system. Current draw:40 ?A (In standby), 5 mA maximum (LED ON in functioning).