[hvc] SENBONO MAX10 1.32 inch 360*360px HD Screen One-touch Connection bluetooth Calling NFC 24h Heart Rate SpO2 Monitor IP68 Waterproof Smart Watch COD

SENBONO MAX10 1.32 inch 360*360px HD Screen One-touch Connection bluetooth Calling NFC 24h Heart Rate SpO2 Monitor IP68 Waterproof Smart Watch
COD

Buy SENBONO MAX10 1.32 inch 360*360px HD Screen One-touch Connection bluetooth Calling NFC 24h Heart Rate SpO2 Monitor IP68 Waterproof Smart Watch COD

G-sensor, PPG Sensor, Pedometer sensor Band Material: Silicone Dial Size: About 54 x 44 x 14mm Band Width: 22mm Wrist Circumference: 265mm Net Weight: 55g Tips: 1. Light of shoot will affect the color of the products, pictures for reference only, subject to our available products.2. Please download the app before usage to be compatible perfectly with your phone. Q&A - Why doesn’t my watch start? 1. The watch needs to be connected to the charger for the first use. 2. If your watch battery runs out, you need to charge it for a while before trying to activate your watch. 3. Try to activate your watch by pressing the area below the screen for a long time. - Why my watch doesn’t charge successfully? 1. Please make sure your charger is 5V/1A. If the current is too high, the watch would into the automatic protection of the state. 2. Please confirm that the charging cable is well attached to the charging position on the back cover of your watch. - Why is there no charging cable in the package I received? 1. Please check the user manual and product details page to confirm whether the product is charged by USB. If so, please unplug the watchband, then you would find the charging jack. 2. If your watch isn’t USB charging and you don’t receive the charging cable, please contact our customer services right away. - How to change the date and time? Please scan the QR code in the manual to download the APP. Then the time and date will be automatically synced when the watch is connected to the phone. - Can I wear it for swimming? It is not recommended that you wear it to swim, because it is not a professional swimming watch. - About the measurement data. The monitoring data of health functions are for reference only, not on a medical basis.

SENBONO MAX10 1.32 inch 360*360px HD Screen One-touch Connection bluetooth Calling NFC 24h Heart Rate SpO2 Monitor IP68 Waterproof Smart Watch CODBuy Now

JK03 220V AC Time Delay Relay Control Module with Trigger Delay 5min Adjustable NE555 10A

Buy JK03 220V AC Time Delay Relay Control Module with Trigger Delay 5min Adjustable NE555 10A Features: - Function: After connecting to 220V, the output is off. When triggered, it outputs 220V. After the arrival time, the output is turned off. - Direct 220V output. The external power cord, load, and button work. Easy to use. - High-quality original Songle relay for switching currents up to 10A. It is equipped with normally open and normally closed points and can be connected as required. - Delay adjustment time length potentiometer is continuously adjustable. - The main control adopts NE555 monostable circuit with accurate delay. - Control part of the power supply adopts RC step-down, the capacitor adopts X2 capacitor conforming to safety regulations, step-down resistor - 3W high-power resistor, filter capacitor up to 470uF, ensuring stable and reliable power supply. - FR-4 glass fiber board is adopted, which is suitable for the mains demand and is not easy to produce leakage elect

MQ137 Gas Sensor Module MQ-137 Ammonia Sensor Module NH3 Sensor Module

Buy MQ137 Gas Sensor Module MQ-137 Ammonia Sensor Module NH3 Sensor Module Description: Size: 32mm X22mm X30mm length * width * height Main chip: LM393, NH3 gas sensing probe Working voltage: DC 5V Features: 1. It has a signal output indicator indication; 2, dual signal output (analog output and TTL level output); 3. The TTL output valid signal is low level; (when the output low level, the signal light is on, it can be connected to the IO port of the single chip) 4. The analog output increases with increasing concentration, and the higher the concentration, the higher the voltage; 5. High sensitivity and selectivity to ammonia; 6. Has a long service life and reliable stability; 7. Fast res ponse recovery features; 8. With mounting holes for easy installation; 9. The probe can be plugged and unplugged for easy testing. Application: Harmful gas detection device for home and environment, suitable for the detection of ammonia vapor, ammonia gas sensor test concentration rang

50pcs 10x10x10mm Six-sided Copper Fixed Block Six Sides Nut Plate Connection Block 10 * 10 * 10 Square Fixed Block

Buy 50pcs 10x10x10mm Six-sided Copper Fixed Block Six Sides Nut Plate Connection Block 10 * 10 * 10 Square Fixed Block Description: Six-sided copper fixing block, nickel-plated surface, can keep the silver surface permanently Dimensions: 10 * 10 * 10mm 3mm tapped holes at the center of each side (can be used with ordinary 3mm screws) This fixed block can be used to easily combine flat plates into a body container or shell. Package included: 50 x Six-sided Copper Fixed Block 50pcs 10x10x10mm Six-sided Copper Fixed Block Six Sides Nut Plate Connection Block 10 * 10 * 10 Square Fixed Block Buy Now

Koa Choi

Search This Blog