सिस्टम सेन्सर R5A-RF रेडिओ कॉल पॉइंट इंस्टॉलेशन गाइड
R5A-RF Radio Call Point Specifications: Supply Voltage: 3.3 V Direct Current max. Red LED current max: 2mA Re-sync time: 35s (max time to normal RF communication from device power on) Batteries: 4 X Duracell Ultra123 or Panasonic Industrial 123…