Feature: 1. Transmission at 2.4GHz, conforming to FCC and CE standards. High definition 3.5‑inch display. 2. Operation menu display. One receiver can be connected to four transmitters. 3. Long distance transmission. The transmission distance in the open area up to 150‑200m. Clear night vision, 24‑hour monitoring. 4. Voice transmission, clear sound quality. Through VOX (voice control) wake‑up function, the volume of the baby's side will trigger the LCD receiver to work (the sound will be bright after the screen is automatically turned off), reminding parents to check the status of the baby. 5. The receiver is powered by lithium batteries for easy mobile use. With password function, improve security and privacies. Support to play music. Specification: Condition: 100% Brand New Item Type: Baby Monitor Material: ABS+ electronic components Display Battery Model: Lithium battery (Included) Display Battery Capacity: 2000mAh The camera does not contain batteries Display Size: Approx. 12.5 x 8 x 2cm / 4.9 x 3.1 x 0.8in (±1-2cm) Camera Size: Approx. 11 x 6.5 x 6.5cm / 4.3 x 2.6 x 2.6in (±1-2cm) (upright size) Charging Current: 120-280mA Audio Sampling Rate: 16K Audio Response Range: 120Hz ~ 3KHz Camera Resolution: 0.3 million pixels Video Transmission Rate: 15-25FPS Total Harmonic Distortion: < 5.0% SNR(Signal to Noise Ratio): 46dB Reception sensitivity -96dBm @ BER = 1e-3 Night Vision Range: 2.3 meters Humidity ranges from 20 to 80% RH Temperature Range: 0℃--45℃ Pixel: 300,000 (DPI) Minimum Illumination: 0.5 (Lx) Horizontal Resolution: 420 (TVL) Note: 1. Please do not use in high temperature, strong magnetic field and light 2. Use only the specified power adapter and battery to avoid serious damage. 3. Do not be exposed to extremely low or extreme temperatures. 4. Turn off the power when not in use. 5. Please avoid water and dust. 6. Wiping device with diluent. 7. This product is specially designed for baby monitoring.Please use indoors as much as possible.It will degrade the display on strongLight. 8. AC adapter for indoor use only.. Package List: 1 x Camera 1 x Display Screen 2 x Plug 1 x Manual 1 x Screw + Nut 1 x Hook & Loop