... Product Description Model: burglar alarm 3000CFeatures :1. Digital signal processing & microcomputer control technology2. Arm ,disarm ,panic alarm , select protective zones ... Remote controlled by mobilephone to arm, disarm, panic alarm, listen to the record and monitor the alarming ... Power supply : AC: 185-245V, DC:12-20V, 500mA2. Alarm current: ≤300mA3. Frequency: 315MHz /433MHz4. Standby current: 12V ...