Question: How Can i adjust the working mode into 120S?
Answer??The default display time of the monitor is 90 seconds. which can be flexibly adjusted to 45S/60S/120S on the Menu Setting. kindly please check more operations from the attached video.

Question??how often does this have to be recharged manually ? can i rely on sun only?
Answer??The battery capacity is 3350mah. which can continuously work for 7.5 hours on a full charge. If you use the product 3-4 times a day. it will work for 45-60 days. The solar panel can be used as a tool to supply power to the battery. extend the working time of the backup camera and reduce the charging times. however. solar charging cannot completely replace USB charging. especially when the battery is low.

Manual download

• ??Eco-friendly solar charging??auto-vox solar wireless backup camera has a built-in battery and solar panel. two charging methods for you to choose. solar charging can prolong battery life. when the solar panel faces strong sunlight. the battery will continue to charge . reduce manual charging time. and there is no problem of car battery draining. it is recommended to fully charge the battery before the first use.

• ??Easy installation& IP69K Waterproof?? 3 minutes to install. just a screwdriver. use the car charger to easily connect the solar rear view camera to the license plate and power monitor. save up to $200 on installation fees. women. kids can easily install it. Back up camera systems for car upgrades the waterproof rate from their metal case. PCB-Coating. and sealing adhesive. which can fully replace the rearview mirror and provides a clear view in rain. fog. and mud.

• ??Accurate Measurement & Quick Pairing?? The truck wireless backup camera provides a clear view and accurate distance measurement at night. helping you avoid potential collisions and get back into congested areas easily. One key to activate the sync signal. after activation the monitor will automatically display the real-time image. avoiding dangers caused by lagging. buffering or disconnection. No more wasting time with phone pairing.

• ??40FT Wireless Distance & 5inch Screen??Our wireless reverse assist system has solar charging function and ultra-long wireless range of 40ft. suitable for trucks. trailers. off-road vehicles. vans can be used with various daily vehicles. and the 5-inch large screen allows you to have For a wider field of vision. press the cigarette lighter button to activate the auxiliary line. and long press the menu to call up 6 different auxiliary lines to protect your safety.

• ??Perfect after-sale guarantee?? The quality of our upgraded solar 1 pro wireless reversing camera with monitor can stand the test. Whenever you have any doubts. you can contact our customer service department at any time. If the product has any quality problems. please contact us in time. We will definitely give you a satisfactory answer.