1. 2.4GHz wireless technology 2. ECO/ intelligent wake-up: extend standby time 3. Temperature monitoring (temperature difference plus or minus 2 degrees); high/low temperature alarm 4. Two-way intercom without delay 5. Multiple built-in fixed lullabies Frequency: 2400-2483.5MHz Image sensor: 1/6 CMOS CMOS pixel: 640 x 480 TFT LCD screen: 5inch Effective pixels: 480x272 Demodulation mode: Frame Rate: Up to 25 fps Power Adapter: Input: 100-240V, 50/60Hz; Output: 5V, 600 mA; Built-in lithium-ion battery: 3000mAh Standby time: up to 15 H in eco mode Transmission power: 181dBm Current consumption: 100mA Display color: full color Working range: up to 300M (direct distance from open and unobstructed outdoors) Working temperature: 0 - 40°C Humidity: 5-90% RH Language: There are many languages in the menu to choose from, including Russian Plug Type: EU Plug, it applies to Indonesia, Germany, France, Spain, Italy and so on voltage: AC100-240V Material: plastics colour: white Package Contents: 1 x Baby Monitor kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.