Low loss RF coaxial cable, flexible and portable, delicate and compact, strong anti-interference ability
Flexible cable, the connector position can be adjusted according to the use of the scene appropriate
Widely used in RF application or flexible network, broadcasting, video transmission and monitoring, such as video signal, DVR, camera, GPS disciplinary oscillator, etc.
Delay time upgraded to: 3/15/30/60 seconds, default delay 15 seconds
Prompt sound upgraded: drip-drop prompt is slower, not noisy and harsh
After canceling the trigger, there will be a beep prompt, silent protection, and prompt after delay
The host has two No. 7 batteries, and the battery is not delivered
General alarm: When the door or window is opened, the alarm sound will be issued immediately
Door closing alarm: If the door has been opened for 15 seconds (15 seconds is the factory default value, 3 seconds/15 seconds/30 seconds/60 seconds according to your choice), the alarm will continue to sound until the door is closed
Doorbell mode: a "ding-dong" sound is emitted when the door is opened
Transmitter battery: 12V/23A battery (delivery without battery)
The doorbell has 60 built-in chord music, you can choose according to your preference
Strong penetrability, the straight-line distance on the open space can reach 300 meters (note: the actual use effect varies depending on the environment, and the signal receiving effect is also different due to different obstacles)
Working principle: The transmitter is installed outside the door, the receiver is installed on the power socket, press the transmitter to ring the bell, the receiver immediately rings and flashes to remind
Transmitter battery: 12V/23A battery (delivery without battery)
The doorbell has 60 built-in chord music, you can choose according to your preference
Strong penetrability, the straight-line distance on the open space can reach 300 meters (note: the actual use effect varies depending on the environment, and the signal receiving effect is also different due to different obstacles)
Working principle: The transmitter is installed outside the door, the receiver is installed on the power socket, press the transmitter to ring the bell, the receiver immediately rings and flashes to remind
Transmitter battery: 12V/23A battery (delivery without battery)
The doorbell has 60 built-in chord music, you can choose according to your preference
Strong penetrability, the straight-line distance on the open space can reach 300 meters (note: the actual use effect varies depending on the environment, and the signal receiving effect is also different due to different obstacles)
Working principle: The transmitter is installed outside the door, the receiver is installed on the power socket, press the transmitter to ring the bell, the receiver immediately rings and flashes to remind
Transmitter battery: 12V/23A battery (delivery without battery)
The doorbell has 60 built-in chord music, you can choose according to your preference
Strong penetrability, the straight-line distance on the open space can reach 300 meters (note: the actual use effect varies depending on the environment, and the signal receiving effect is also different due to different obstacles)
Working principle: The transmitter is installed outside the door, the receiver is installed on the power socket, press the transmitter to ring the bell, the receiver immediately rings and flashes to remind
Transmitter battery: 12V/23A battery (delivery without battery)
The doorbell has 60 built-in chord music, you can choose according to your preference
Strong penetrability, the straight-line distance on the open space can reach 300 meters (note: the actual use effect varies depending on the environment, and the signal receiving effect is also different due to different obstacles)
Working principle: The transmitter is installed outside the door, the receiver is installed on the power socket, press the transmitter to ring the bell, the receiver immediately rings and flashes to remind
Transmitter battery: 12V/23A battery x 1 (shipping without battery)
The doorbell has 60 built-in chord music, you can choose according to your preference
Strong penetrability, the straight-line distance on the open space can reach 300 meters (note: the actual use effect varies depending on the environment, and the signal receiving effect is also different due to different obstacles)
Working principle: The transmitter is installed outside the door, the receiver is installed on the power socket, press the transmitter to ring the bell, the receiver immediately rings and flashes to remind
Transmitter battery: 12V/23A battery x 1 (shipping without battery)
The doorbell has 60 built-in chord music, you can choose according to your preference
Strong penetrability, the straight-line distance on the open space can reach 300 meters (note: the actual use effect varies depending on the environment, and the signal receiving effect is also different due to different obstacles)
Working principle: The transmitter is installed outside the door, the receiver is installed on the power socket, press the transmitter to ring the bell, the receiver immediately rings and flashes to remind