Wireless Baby Monitor 2.4in Remote Video Bidirectional Intercom Baby Camera Monitor for Home 100‑240V US Plug Item Type: Baby monitor Material: ABS Weight: Approx. 417g/14.7oz Transmission Frequency: ISM 2400 - 2483.5 mhz Transmission Power: 17 dbm Barrier Free Efective Range: Indoor 160ft/ 50m, outdoor 850ft / 260m, line of sight region Spread Spectrum: AFH, TDMA Modulation Mode: GFSK Working Temperature: 14 - 122°F, - 10 - + 45 °C Working Humidity: < 85% Display Device: LCD Size: 2.4in Supported Resolution: 320x240 pixels Receiving Sensitivity: - 90dBm Consumption Current: 200mA Battery: 750mAh lithium polymer battery(Shipped with built in battery) Power Supply: 5V 1000mA DC Camera: Image Sensor: CMOS Resolution: 0.3Mega Pixels Minimum Illumination: 0 Lx(IR on) Night Vision Distance: 15ft(5m) Power Consumption: 200mA Power Supply: 5V 1000mA DC