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Handle material to be aviation aluminum alloy Bit material to be chrome molybdenum steel, super hardness The 3D screwdriver tip fits the screw precisely, so the teeth are not easy to slip Aviation aluminum handle suitable for ergonomic design, exquisite and meticulous, no matter which gesture is comfortable Suitable for internal and external screws Suitable for dismantling internal Y-shaped, star-shaped, Internal cross and cross screws Suitable for detachable five-star screws at the bottom of the iPhone series 4 kinds of anti-slip lines Different models and different styles A$16.01 A$19.20
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Handle material to be aviation aluminum alloy Bit material to be chrome molybdenum steel, super hardness The 3D screwdriver tip fits the screw precisely, so the teeth are not easy to slip Aviation aluminum handle suitable for ergonomic design, exquisite and meticulous, no matter which gesture is comfortable Suitable for internal and external screws Suitable for dismantling internal Y-shaped, star-shaped, Internal cross and cross screws Suitable for detachable five-star screws at the bottom of the iPhone series 4 kinds of anti-slip lines Different models and different styles A$15.61 A$19.36
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Handle material to be aviation aluminum alloy Bit material to be chrome molybdenum steel, super hardness The 3D screwdriver tip fits the screw precisely, so the teeth are not easy to slip Aviation aluminum handle suitable for ergonomic design, exquisite and meticulous, no matter which gesture is comfortable Suitable for internal and external screws Suitable for dismantling internal Y-shaped, star-shaped, Internal cross and cross screws Suitable for detachable five-star screws at the bottom of the iPhone series 4 kinds of anti-slip lines Different models and different styles A$41.43 A$51.37
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Material: ABS Output voltage: 1000-2500V Short-circuit current: less than 4mA Voltage test: AC750V Sampling rate: about 3 times per second Maximum display: 1999 Measurement method: dual integral A/D conversion Jack position: Insulation resistance: L.E AC750V A$131.00 A$159.82
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AC voltage: 12V-1000V AC Phase sequence judgment voltage range: 90-400V Frequency: 50Hz/60Hz Alarm mode: sound/light/analog bar Display: LCD display Probe shape: flat Altitude: about 2000 meters Power supply: AAAx2 (not included in this product) A$15.09 A$18.86
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Display: 23x23mm, four-digit display, max 8888 Temperature range: -32 to 400 degrees Celsius (-25.6 to 752 degrees Fahrenheit) Response time: less than 500ms Spectral response: 8um to 14um Optical resolution: 10:1 Laser: wavelength 650nm, input power less than 5mW, Class 3 laser Automatic shutdown: 15 seconds without operation Working environment: 0 to 40 degrees Celsius, not more than 90% relative humidity (non-condensing) A$16.01 A$18.73
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Display: 30x30mm, four-number display, maximum 1999 Measuring range: 0.1 to 200000LUX (0.01-20000FC) Measuring range: 200/2000/20000/200000LUX (20/200/2000/20000FC) Accuracy: +/-(4%+10dgts), calibrated with standard flat light with color temperature 2856K Resolution: LUX less than 200:0.1; LUX greater than or equal to 200:1 Sensor: Silicon photodiode with filter lens Sampling rate: 2 times per second Incident angle: 120 degrees A$23.84 A$28.13
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Display: 34x31mm, four-number display, maximum 1999 Measuring range: 0.1 to 200000LUX (0.01-20000FC) Measuring range: 200/2000/20000/200000LUX (20/200/2000/20000FC) Accuracy: +/-(4%+10dgts), calibrated with standard flat light with color temperature 2856K Resolution: LUX less than 200:0.1; LUX greater than or equal to 200:1 Sensor: Silicon photodiode with filter lens Sampling rate: 2 times per second Incident angle: 120 degrees A$22.84 A$28.32
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Display: 30x30mm, four-numbers display, maximum 1999 Frequency weighting: A weighting Measuring range: 30 to 130dB Accuracy: +/-1.5dB (at reference sound pressure level, 94dB 1KHz) Resolution: 0.1dB Microphone: High-sensitivity 1/2-inch condenser microphone Frequency response: 31.5Hz-8KHz Time weighting: fast 0.125 seconds, slow 1 second A$18.27 A$21.57
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Display: 34x31mm, four-numbers display, maximum 1999 Temperature range: -20 to 60 degrees Celsius (-4 to 140 degrees Fahrenheit) Relative humidity range: 0 to 100%RH Sensor: Zhongke Galaxy chip GXHTC3 Sampling rate: 8 times per second Update rate: 3 times per second Automatic shutdown: 15 minutes of no operation Working environment: -10 to 50 degrees Celsius, no more than 80% relative humidity, indoor altitude less than 2000m A$22.84 A$27.40
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Schumann wave is a beneficial pulsating rhythmic wave that appears in the ionosphere of the atmosphere. Its frequency is 7.83Hz, which is exactly the same as the frequency of the hippocampus in the brain of mammals. It helps with sleep and improves the taste of wine, tea and water. Relieve stress, 3 color LEDs, a 7.83Hz working indicator light, and a purple sterilization LED that flashes according to the working frequency. It comes with a USB cable and can be directly plugged into a 5V power supply for use. Power supply current: 10mA Working temperature: -20~70 degrees Celsius A$26.71 A$32.31
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High-precision microphone: High-sensitivity 1/2-inch condenser microphone with high precision, high sensitivity and fast instantaneous response characteristics. Back bracket design: Hidden bracket design, can be placed on the desktop. Upper limit alarm prompt: The upper limit alarm threshold can be set; when the measurement is higher than the set threshold, the buzzer will sound an alarm prompt, and the alarm prompt light will flash. The time can be set to: 6s~120s. Back panel design: There are 2 ventilation holes on the top and bottom, and the response speed is more sensitive. Data storage: The instrument automatically stores data every 2s, and the stored value is the maximum noise value in 2s. The instrument can store data continuously for one year. After one year, the instrument automatically clears the data six months ago, and the user can export the data through the computer software. The record can be cleared (automatically overwrite the first half of the year after one year) Analog bar level indication: The six-grid indicator light 30~75dB displays green, and 76~130dB displays red. Measuring range: 30dB~130dB Accuracy: +/-1.5dB (based on standard sound source, 94dB 1KHz) A$99.56 A$118.48
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