Reviews Battery Source Selector

Diamond Tester Pen, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter

Real Diamond will Emits sounds and lights >=9..
This diamond selector tester designed for quick, precise, and safe diamond testing..
Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and lights.
If the stone is fake, crystal or cubic zirconia, the tester will not beep..
Diamond tester is battery powered for convenience.Requires 1 standard 9v battery, which is included.Package include:1 x Diamond Tester,1 x Leather Pouch Case,1 x Testing Platform,1 x User Manual,1 x DC 9V battery..

LONGER RUN TIME & BATTERY LIFE—Industry leading PWRCore 20 lithium battery technology wraps each cell with cooling material to keep the battery powering on for 25% longer run time and 2X battery life..
CHARGES IN 5 MINUTES—Automatic PWRJump charges the battery in just 5 minutes, or 100% battery in 60 minutes..
DIGITAL BRUSHLESS MOTOR—Provides efficient, high-performance power when drilling through tough surfaces like brick, concrete, and other masonry..
4-MODE SELECTOR—Transition between drill, hammer drill, chisel, and chisel alignment settings, reducing time and increasing efficiency..
QUICK BIT CHANGES—SDS Plus Chuck allows for easy and secure bit changes to keep your project going..

【DVI Switch 2X1】-With the DVI Bi-directional Switch splitter, you can connect 2 DVI sources to a single display with DVI in and choose any of them....
【DVI Display Selector Splitter】- With this unique Bi-directional DVI switch splitter, you can not only choose the video source for your display....
【4K Ready】-With a built-in video chip, this DVI 1X2 or 2X1 bi-direction switch can support resolutions up to [email protected], including....
【Dual-way Control】-1) Button switch: Say goodbye to repeated plug and pull.
2) Extension cord touch switch: Meet the needs of the long-distance....
【kindly Note】⚠️-This DVI bi-directional Switch provides Display selector functions. When used as a DVI splitter, only 1 display can be working....

80 WATT POWER: The Pyle Compact PA Mono Amplifier gives your entertainment or PA system a boost, takes your voice to the next level! The amplifier's wide frequency response makes it suitable for amplifying music or vocal program material.
3 INPUTS: Features 3.5mm AUX audio input jack w/ the ability to connect external devices such as tuner, CD player, tape deck. Also features 2 ¼” microphone input w/ talkover function, headphone jack, 12V DC power input perfect for public announcement.
COMPACT SIZE: The professional integrated indoor public address receiver features a mini compact size and measures 3 ⅓” x 12 ¾” x 8 9/10”, easy to bring anywhere it is needed. Can be used for live bands, office paging systems and other applications.
INDEPENDENT VOLUME CONTROL: Each input in the home desktop audio source system has its own independent rotary volume control knob. Additional system specs include phono / AUX / RCA input jacks w/ input selector and variety of speaker outputs terminal.
FRONT PANEL CONTROL CENTER: The mini compact PA receiver box features front panel button control center w/ crisp power on/off button and selector switch, independent input audio rotary volume adjustment, master volume and tone control, LED indicator.

Selector 4 Position. Switches isolated battery banks to all loads or combines battery banks to all loads. Includes AFD (Alternator Field Disconnect).
Ignition protected—safe for installation aboard gasoline powered boats.
IP66 waterproof, ISO 8846 and meets ABYC requirements.
Continuous rating: 350A, Maximum voltage: 32V DC.

Off - complete disconnect of both batteries or banks of batteries.
175A continuous duty at DC-12V, 300A intermittent duty at DC-12V.
Suitable for 6v, 12v, 24v, and 32v ship's supply system.
Dimension: 5.27" (length) x 3.03" (height) x 5.27" (width).
The selector switch will allow the use of one battery for engine starting and one battery for auxiliary electrical equipment.

[Easy to Use]: Real Diamond will Emits sounds and lights >=9..
[Intuitive Design]: Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and lights .
[fast and safe ]: This diamond selector tester designed for quick, precise, and safe diamond testing. No harm to diamonds..
[Battery included]: Our diamond tester is powered by DC 9V battery and the battery is included..
[Service]: If you have any questions about use, please contact us. We will explain in detail. Professional equipment, the use method needs to learn....

1.Package included:1 x Portable Diamond Tester,1 x Carrying Case,1 x Testing Platform.
2.The red light will be showed and the audio indicator will ring if the stone is real diamond..
3.It can be suitable for jewelry,gemstone,document,and currency authentication..
4.Use switches for testing diamonds,Emits audible sounds to easily differentiate the readings.
5.The jewelry diamond tester selector is powered by DC 9V battery but the battery is not included..