["Wireless Doorbell Kit Including DC200 and DM30 Wireless Doorbell Camera DC200 1. 400m transmission distance in open area 2. Easy Wireless Installation(2.4GHz) 3. H.264 video and G.711 audio codec 4. Camera: 0.3 Mega pixels, automatic lighting, 105°(H) 5. IP65 Waterproof 6. Tamper Alarm 7. Dual power options: Battery or DC 12V 8. Working temperature:", "20°C", "+55°C 9. Support two indoor monitors Wireless Doorbell Monitor DM30 1. Easy Wireless Installation(2.4GHz) 2. Body material: ABS Casing 3. 2.4” TFT LCD, 320 x 240 4. Real-time Monitoring 5. One-key Unlock 6. 100 snapshot records 7. Rechargeable Lithium Battery (1100mAh) 8. Working temperature:", "20°C", "+55°C 9. Support two doorbell cameras 10. Installation: Desktop"]