Is it hard to install? Should I provide extras wire?

My husband and I installed 2 in his outdoor kitchen. Very easy. Enough wire is provided for you to place the solar panel where you can get adequate sunlight. We're lighting an 18'x 16' area. The grill and countertops are well lit.

Will the solar panel withstand extreme winter cold ? Like -15 F?

Hello Yes, it will , but as winter sunlight is weak solar power , so the led lights will runn shorter time, , please not that, it is normal status We add each solar lights an usb calbes inside the package, so you can charge it by usb calbes if the solar power is not enought to charge the led lights battery Thank you James

How do I know whether or not a pressed button is on or off? for instance: Light sensor button and Auto on/off buttons?

Hi,Greeting from Richarm Regarding the AUTO remote function, please connect the led lights to solar panels, and make sure the lights charged, Then please click AUTO button , the led lights will flash twice( if you set during day time the led lights will off after twice flash, if you set during night time, the led lights will on after twice flash) ,then auto function works, it will light up on dusk and turn off on dawn , after full charged The auto function principle is based on Solar panels is Photosensitive, so it can Inductive Light and darkness, you can test it with AUTO function setted on day time, and when you block the solar panels Completely the led light will turn on to light up, and when you unblock the solar panels, the led light will auto off. Thank you

Brand	Richarm
Color	Black
Material	Metal
Style	Modern
Light fixture form	Floodlight
Room Type	Outdoor walls of squares, parks,courtyards,parking lots,campuses, farms, surrounding security, etc
Product Dimensions	11.42"L x 7.48"W x 3.94"H
Specific Uses For Product	General purpose
Indoor/Outdoor Usage	Outdoor
Power Source	Solar Powered
Special Feature	Dimmable, 3-way switching
Control Method	Remote
Light Source Type	LED
Finish Type	Polished
Shade Material	Glass
Number of Light Sources	1
Voltage	5.5 Volts
Light Color	white
Shape	Reflector
Included Components	Batteries included
Warranty Type	manufacturer
Lighting Method	Up/Down Light
Item Weight	1.3 Kilograms
Wattage	5 watts
Controller Type	Remote Control
Switch Type	Toggle
Unit Count	1.0 Count
Water Resistance Level	Waterproof
Brightness	300 Lumen
Efficiency	19%
Mounting Type	Adjustable Wall Mount Bracket /Place on Ground
Shade Color	black
Fixture Type	Non Removable
Manufacturer	Richarm
UPC	713325210886
Recommended Uses For Product	室外，室内
Part Number	25LED
Item Weight	2.86 pounds
Item model number	25led
Batteries	1 Lithium Ion batteries required. (included)
Is Discontinued By Manufacturer	No
Finish	Polished
Item Package Quantity	1
Coverage	250-300 square feet
Plug Format	A- US style
Special Features	Dimmable, 3-way switching
Batteries Included?	Yes
Batteries Required?	Yes
Battery Cell Type	Lithium Ion
Average Battery Life	2 years

Richarm Solar Flood Lights Outdoor Remote Control Solar Power Led Lights 10W 500LM 25 LEDs IP65 Waterproof Solar Wall Lamp Floodlights for Gutter Shed,Business Sign

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