1．High Efficiency Solar Power System for Household Lighting
| Brand Name： | SUNUSE |
| Certification： | CE ROHS |
| Packaging： | We use Doublewall Corrugated Fiberboard to do the package which ensures good protection．Also we can do the package according to your request． |
| Delivery Time： | 3-7 working days for sample，about 15-20 working days for bulk （大批） |
| Payment Terms： | L/C，T/T，Western Union，MoneyGram，Paypal，Escrow，e-Credit Line |
Features：
1．Compact foldable solar panel allows for easy transport and storage
2．High surge protection plus automatic over-temperature and overload shutdown
3．Low voltage （電壓） alarm and shutdown prevents deep battery discharge
4．Battery level indicator confirms charge level
5．Easy-to-read digital monitor displays output and charge status （狀態(tài)）
Application+Benefits：
1．The system is a green，environmental，low-carbon ene rgy product．It needs no gasoline，coal and has no pollution and waste．
2．It is ideal home backup power for household lighting，outdoor working and exploration，village area，grazed and frontier post where there is no stable electricity．
3．It consists of 400WP high efficiency solar panels with toughened glass and aluminum frame pressure layer，water proof，practically strong．
4．With digital display，you will know electricity state and electricity needs．It is also equipped with AC charging socket．If there is no sunshine outside，it will be charged by commercial electricity．
5．With home electricity charging function （When the government electricity stops，automatic identification system will turn to solar energy charging； when there is no sunshine outside，automatic switching will turn to home electricity charging．） it can be designed as customer's demand．（If no demands，the machine will be designed to use solar to charge first．）
Our Services：
All inquiries will be responded within 24 hours．If needed，our staff will contact you for further details．
For large orders，if needed，our engineer can go to your place to help installation （安裝），and we will offer spare parts and technology support after sale．
Warranty period：（Battery not included） one year
21．What can we learn about the solar power system？A
A．It can shut down automatically．
B．It is designed to work with low voltage．
C．Only engineers can read the charge status．
D．It can use solar energy even on rainy days．
22．If you buy the system in bulk，you will be offered service thatC．
A．they'll deliver it to you in a week
B．they'll respond to your inquiry right away
C．a(chǎn)n engineer will help you install the system
D．they promise to replace the battery within a year
23．What type of writing is this text？C
A．A user's guide．
B．A direction for use．
C．An announcement．
D．A product instruction．
