Best Adjustable Power Mode

DC-DC Buck, DROK Power Supply Module LM2596 DC Buck Converter 5V-36V to 1.25-32V Step Down Voltage Regulator Stabilizer 3A 5A CC Volt Transformer Reducer

PARAMETER --- input voltage range DC 5V-36V.
output voltage DC 1.25V-32V continuously adjustable.
max output current 5A, recommend use of within 4.5A.
max power 75W, recommend use of within 50W..
MULTIMETER --- detect and display voltage, current, power, can be used as voltmeter/ammeter/power meter..
CC & CV MODE --- with constant current mode & constant voltage mode..
currently mode indicator & charging status indicator.

Minimalism Sport Watch: Only one button, easy to set，Adopt LED displays, make reading the time much easier. Best for outdoor sports, like night run, running, climbing, hiking and so on..
Power Saving Design: 2 Mode Watch - Normal mode and power saving mode, When you do not need to watch time, then it turn to power saving mode automatically after 5s..
Adjustable Watch Wristband: The watch bands is made of rubber , whitch can be cut down and resize, make it fits adults and kids. Product pictures have adjusted graphic descriptions，Collocates with a magnet on the clasp, very easy to put on or take off..
Water-resistance: 30M waterproof (3ATM) watch, No problem for sweating, hand wash, rain day, withstands splashes or brief immersion in water..
Gift: Perfect birthday present or holiday gift for your family or friends..

Fiber Mode: 9/125 Single mode / 62.5/125 Multi-mode..
[ADJUSTABLE]: Mechanically Adjustable Attenuation Value: 0-15dB..
[FEATURE]: To ensure the optical power stay in a stable level on its original transmission wave.High attenuation accuracy, low added loss and good stability..
[SPECIFICATION]: Operation Wavelength: 1310nm, 1550nm, 850nm, 1550nm..
[APPLICATION]: Widely used in the fiber optic communication system, for example, optical instrument calibration or fiber signal attenuation..

...operation and easy installation, favorable home alarm system..
♫ Main Function: Voice/alarm/music mode for you to select with mode button according to the need, “Dingdong, hello, welome”in voice mode.
about 15 seconds continous alarm sound in alarm mode.
play the music you select in music mode. 4 levels volume adjustable with volume button.
total 32 musics selectable with music button..
♫ Supply Mode: There are two ways to power this doorbell chime: 9-15V power adapter and 3 AAA battery (Please note that power adapter and battery are not included in the package, you need to buy them by yourself). It is more convenient to use battery to power, without the limit of installation place while working time will be more lasting if using power adapter..
♫ Easy Installation: The horizontal detection angle of the chime motion detector is 110° while vertical detection angle 15°. Come with 2 screws and double-face tape, you can mount it as you like. It is used directly after receiving, put in battery and adjust angle to avoid false alarm, not suitable for outdoor because of lack of waterproof function..
♫ Attention & Warranty: No matter which mode the pir shop entry chime is, when it plays voice/alarm/music, you can not forcibly switch off it or cut of....

Power Saving Mode：This clock will automatically work in power saving mode when powered only by 3 AAA batteries（not included). And the LED will....
AC Powered：If you want the LED to stay on, please plug in the power cable(3.28feet) and power it with a 5V/1A USB/AC adapter（not included).To keep....
12/24Hr：12 and 24 hour time display supported. Press "DOWM" to switch 12H/24H mode.Alarm clock size(length-6.3in / width-1in / height-2.4in).
Adjustable Brightness：lf you find the LED too bright during the night even adjusted to low level by“UP”button,you can long press the LIGHT....
Easy to Read：The Digital alarm clock for bedrooms has big LED numbers, and display brightness can be easily adjusted for personal preference..

Fiber Mode: 9/125 Single mode / 62.5/125 Multi-mode..
[ADJUSTABLE]: Mechanically Adjustable Attenuation Value: 0-30dB..
[FEATURE]: To ensure the optical power stay in a stable level on its original transmission wave.High attenuation accuracy, low added loss and good stability..
[SPECIFICATION]: Operation Wavelength: 1310nm, 1550nm, 850nm, 1550nm..
[APPLICATION]: Widely used in the fiber optic communication system, for example, optical instrument calibration or fiber signal attenuation..

Fiber Mode: 9/125 Single mode / 62.5/125 Multi-mode..
[ADJUSTABLE]: Mechanically Adjustable Attenuation Value: 0-30dB..
[FEATURE]: To ensure the optical power stay in a stable level on its original transmission wave.High attenuation accuracy, low added loss and good stability..
[SPECIFICATION]: Operation Wavelength: 1310nm, 1550nm, 850nm, 1550nm..
[APPLICATION]: Widely used in the fiber optic communication system, for example, optical instrument calibration or fiber signal attenuation..

Fiber Mode: 9/125 Single mode / 62.5/125 Multi-mode..
[ADJUSTABLE]: Mechanically Adjustable Attenuation Value: 0-30dB..
[FEATURE]: To ensure the optical power stay in a stable level on its original transmission wave.High attenuation accuracy, low added loss and good stability..
[SPECIFICATION]: Operation Wavelength: 1310nm, 1550nm, 850nm, 1550nm..
[APPLICATION]: Widely used in the fiber optic communication system, for example, optical instrument calibration or fiber signal attenuation..

...chargeable battery(included) or 2 D cell batteries(not included). When the rechargeable battery is empty, it will switch to Battery mode and use the D-cell batteries.
Once the rechargeable battery is Full,then switch back to Solar mode. So you don’t have to worry about the lack of light during the bad weather..
【Adjustable Heads & Solar Panel】 You can customize the coverage area with adjustable heads and sensor to get efficient lighting and add extra safety to your house. The base of the solar panel is 360°adjustable so you can find a proper angle to make the most of the sunlight..
【Motion activated & Super Bright】 3 levels adjustable(500/1000/2000lm in Solar mode.
100/200/350lm in Battery Mode), set it to high for a brighter light or low to prolong the battery. Using LED chips and fly-eye lens technology, the luminous efficacy reaches up to 93%, which means it could produce brighter light with less power loss. Instantly lights on when it detects motion from a distance and auto shut off with the timer. Sensitivity range: (10/17/33 ft) Timer:(10/20 seconds).
【Easy to install】 Install this wireless battery-powered & solar powered security light to wall, eave or anywhere around your house within minutes. No electrician needed. Durable I....