DIGITAL POWER AMPLIFIER BOARD MODULE 35W
Digital Programmable Bell Timer
Specifications
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Display Type: Digital LCD
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Programming Mode: Daily / Weekly
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Time Accuracy: ±1 second
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Power Supply: AC 220–240V, 50Hz
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Backup: Built-in battery backup
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Output: Relay output for electric bells / sirens
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Mounting: Wall mount
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Body Material: ABS Plastic
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Color: White / Grey
📌 Ideal For
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Schools & Colleges
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Offices & Corporate Buildings
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Factories & Workshops
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Training Institutes
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Mosques & Temples
Digital Programmable Plug-In Timer Switch
Digital Time Switches
Digital TPA3116D2 2.1 HIFI Subwoofer Amplifier Board 50w+50w+100w Beyond
- Most Perfect 2.1 digital amplifier board.
- 8.20 latest upgrated version
- Gain promoted to 36DB，
- Adopts two high-quality TPA3116D2 digital amplifier chips.
- Good sound quality, high efficient device and power amplifying feature.
- 50W x 2+100W 1 channels(left/right channel and subwoofer channel), high efficiency and low-heat.
- Powered by DC 12-24V, wide input voltage.
- User can adjust the volume by themselves easily.
- Applicable speaker impedance: 4-8 ohm.
- Just connect the power supply and loudspeaker box, enjoy pure digital music. Adopts two high-quality TPA3116D2 digital amplifier chips.
- Left and right channel output 50WX2, subwoofer output 100W, efficiency can reach above 90%,
Digital Volt And Ampere Meter Designed For Electrical Panel/Submersible Panel, Volt-Amp
Product description
 Digital AC Volt And Ampere Meter Dimension : 72 x 72 x 65 mm Panel Cutout : 68 x 68 mm Display : 2 Line , 3 Digit - 7 Segment LED Display Voltage Input : 90 to 500V AC Accuracy Class : 1.0 Power Supply : Self Powered Digital Voltage Ampere Meter this precise and reliable ampere meter. Featuring a large, easy-to-read digital display and high accuracy, this meter makes it easy to measure and monitor current in your circuits. Ideal for use in automotive, marine, and household electrical systems, this meter is a must-have tool for electricians, technicians, and DIY enthusiasts
Digital Voltmeter
Technical Specifications
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Display Type: Digital LED
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Measurement Type: Voltage
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Input Voltage: AC / DC (model dependent)
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Accuracy: ±1% (typical)
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Operating Temperature: -10°C to 60°C
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Mounting Type: Panel mount
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Material: ABS Plastic
Applications
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Electrical control panels
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Battery voltage monitoring
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Inverters & UPS systems
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Robotics and automation projects
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DIY electronics & educational kits
Digital Voltmeter Ammeter DC 0-100V 10A Dual LED Monitor Panel, Red and Blue
- Input Voltage: 4.5V to 30V DC
- Input Current: <= 20mA
- Display Colour: Red (Voltage), Blue (Current)
- Measuring Voltage Range: 0V to 100V DC
- Measuring Current Range: 0A to 10A
- Measurement Accuracy: 1%
- Minimum Voltage Resolution: 0.1V
- Minimum Current Resolution: 0.01A
- Voltage error: ±0.1%
- Current error: ±1%
- Working temperature: -10℃ to 65℃. Blue
- 28’’ device with 5 wires divided into 2 sets.
- Black, Red are for the power supply and 3 wires to measure the Voltage and Current.
- Dimension: 48mm x 29mm x 22mm
digital wrist blood pressure monitor
