Car Parking Sensor Kit 4 Sensors Buzzer 22mm Reverse Backup Radar Sound Alert Indicator Probe System 12V Car Parking Sensor Kits<br> Features:<br> 4 sensor system, double CPU and advanced chipset for enhanced coverage and detection.<br> High sensitivity.<br> With sound alert when the 4 cameras detect dangers.<br> The closer the obstacles, the louder and faster the sound alert.<br> Help to prevent dangerous and costly collisions.<br> Help to provide increased safety for paengers, pedestrians and family members who happen to be around the moving vehicle.<br> Detect small children and low walls as well.<br> Anti-freeze and rain proof.<br> Easy to install.<br> A saw drill head included.<br> Specifications:<br> Operate voltage: DC 12V 2V<br> Rate current: 20050mA<br> Detecting distance: front: 0.3~0.8m, back:0.3~2.0m<br> Detective angle:H>80,V>70<br> Working temperature: -20~+70c<br> Main control box size: 90x60x23mm<br> Material: PVC<br> Color:Black<br> Package included:<br> 1 x Main Control Box<br> 1 x Buzzer with 2M Line<br> 4 x Parking Sensors with 2.5M Line<br> 1 x Hole Saw<br> 1 x Power Cable<br> 2 x Double Side Stickers