2.4 inch Wireless video intercom doorbell Monitor H-WB-24MA

① TFT LCD display (to show the image of visitor)
② Speaker (to hear the Dingdong calling and the voice of the visitor)
③ Antanne(to transfer the signal of voice , unlock to the camera,at the same time receive the signal of voice,image and call from the camera )
④ Micro-phone(to convey the visitor's voice to the camera)
⑤ LED: the indicator light(if the light is on ,it stands for charging but on the contrary it indicates charging is over )
⑥ Unlock(to control the camera and release the E-lock)
⑦ Monitor：Monitor / view photos (to start monitor and monitor the outdoor circumstance / view the photos taken by the camera)
⑧ Brightness+：(to enforce the brightness of images / photo up/ time+ )
⑨ Volume-：(turn down the volume/ time-adjustment)
⑩ Brightness-：(turn down the brightness of images/ photo down/ time-)
⑪ Volume+：(turn on the volume /time-adjustment )       
⑫ Talk：(talk to the outdoor unit)