Attention: Welcome to my shop! We ship the product from China, the delivery time is 7-14 days!product description 1.2.4GHz wireless technology2..ECO/VOX smart wake-up: extend standby time3.. Temperature monitoring (temperature difference is plus or minus 2 degrees); high temperature/low temperature alarm4. Two-way intercom without delay5. Multiple built-in fixed lullabies6. Powerful and stable infrared night vision function7. Multi-angle monitoring (can be adjusted horizontally/vertically)8. Adjustable brightness/volume9. Plug and Play: DC interface; no need for complicated WIFI connection or download any other APP, easy installation10.4 times magnification11. Feeding alarm setting (2 hours/4 hours/6 hours)12 300 meters barrier-free long-distance transmission, indoor transmission 30 meters (varies according to the environment)13. The parent end can connect 4 baby cameras at the same time14. Standby time can be up to 12 hours in ECO mode and up to 8 hours in normal modeFrequency: 2400-2483.5 MHzImage sensor: 1/6 CMOSCMOS pixel: 640*480TFT LCD screen: 3.5"Effective Pixels: 320x240Demodulation Mode: GFSFrame rate: up to 25 fpsPower Adapter: Input: 100-240 V, 50/60Hz; Output: 5 V, 600 mA;Built-in lithium-ion battery: 1200mAhStandby time: up to 15 H in eco modeTransmission power: 18+/-1dBmCurrent consumption: 100 mADisplay color: full color;Working range: up to 300MOperating temperature: 0 ~ 40CHumidity: 5-90% RH