180DB Car Super Loud Air Horn Bird Call Single Pipe Air Whistle Horn Filter-Car Charger please check if outdoor antenna

please check if outdoor antenna point to signal tower correctly or elsewhere has stronger signal and confirm signal strength achieve-70DBM

full color night vision (no need for fill light under starlight)

Loading Container 20GP: 277 cartons * 30 pcs = 8310 pcs

Alarm notification: mobile phone push notification

support 4 channels image display by mainstream

180DB Car Super Loud Air Horn Bird Call Single Pipe Air Whistle Horn Filter-Car Charger please check if outdoor antenna1. Applicable to models with air supply device 2. The air source of the horn should be directly introduced from the air reservoir to achieve good sound quality: the air reservoir must discharge water frequently to avoid affecting the service life of the solenoid valve 3. Operating temperature: 20 to 60 degrees Celsius 4. Applicable models: cars, motorcycles, electric vehicles, carts, etc. 5. Impedance: 1 ohm 6. Voltage: 12 24V 7. Power: 10W 8.