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Specification: Range: EC: 0~1999μS/cm ; pH: 0.00 ~ 14.00pH ; Temp: 0℃ ~55℃ Resolution: EC: 1μS/cm ; pH: 0.01 pH ;Temp: 0.1℃ Accuracy: pH: ±0.1pH ±2% F.S  °C: ±1°C Working environment: 0 50 C; RH < 95% Automatic Temperature Compensation: 0 ~50°C Dimension: 170×40×2..

Specifications:Material: Aluminium alloyColor: blackTransducer: Electret CondenserPolar Pattern: Omni-directionalSensitivity: -30dB+/-3dB/0dB=1V/Pa, 1kHzFrequency Range: 65Hz-18KHz SNR: 74dB SPLOutput Impedance: 1000 ohm or less Connector: 3.5mm(1/8'') 4-pole gold plugBattery Type: LR44(Built in)Su..

Specifications: Model WS-N-027 Material Plastic, Steel Color Grey / White / Black / Brown Size 8.5cm Weight 15.5g Diving Depth 0-0.5mFeatures:1. ..

Descriptions:WS1040 is a professional weather station with data save function can be stored up to two years of meteorological information, supporting computer software, the user can downloaded all data to PC to save at any time for queries, very convenient and practical. Features:..

Features:High Clarity Calls with Upgraded 4-micEach earbud has 2 microphones on each (4microphones in total) combine to reduce background noise and enhance voice pick-up for good clarity on calls or making conferencing. Superior Sound Quality6mm dynamic speakers and noise isolation deliver clear in-..

Description : WENSN WS1361 Digital Sound Pressure Tester Level Meter Decibel Noise Measurement This equipemnt has been designed to meet the measurement requirement of safety engineers, health, industrial environment, which include factory, traffic, family baby's living room, wind farms, sport..

1M 30 LEDs 5050SMD WS2811 LED strip Product Features: 1) New Brand 2) Superb right 5050 SMD LED, high intensity and reliability. 3) Flexible ribbon for curving around bends 4) Completely smooth and even light spread, solving the uneven luminous problem 5) Ultra-bright but running at low temperature ..

1M 48 LEDs 5050SMD WS2811 LED strip Product Features: 1) New Brand 2) Superb right 5050 SMD LED, high intensity and reliability. 3) Flexible ribbon for curving around bends 4) Completely smooth and even light spread, solving the uneven luminous problem 5) Ultra-bright but running at low temperature ..

5M 150LEDs 5050SMD WS2811 LED strip Product Features: 1) New Brand 2) Superb right 5050 SMD LED, high intensity and reliability. 3) Flexible ribbon for curving around bends 4) Completely smooth and even light spread, solving the uneven luminous problem 5) Ultra-bright but running at low temperature ..

Introduction:2812 shield adopts stackable design, compatible with UNOR3 board. It is an intelligent controlled LED light source that the control circuit and RGB chip are integrated into a 5050 SMD component. Each pixel interior not only includes intelligent digital port data latch and signal reshapi..

Advantage of product:1:using super bright SMD LED as light source,High brightness ,low decay2:Low voltage ,safety,stability.3:Waterproof,suitable for indoor and out door applications4:Easy installation using plastic clip to fix it5:Can be bent ,can be cuttable,can be arbitrarily fixed in the concave..

(WS2812+SMD 5050) WS2812B is a intelligent control LED light source that the control circuit and RGB chip are integrated in a package of 5050 components, The control chip integrated in LED becoming more simple circuit, small volume, convenient installation .Specification:Power Consumption: 35wWork V..