ขาย นาฬิกาข้อมือดิจิตอล 3in1 LED แสดงอุณหภูมิหน้าจอดิจิตอลสีเขียว ราคาที่ดีที่สุด

Green display new electronic clock thermometer 3 in 1 LED electronic watch 12V universal large screen digital Characteristics: Real - time digital display, waterproof, low pressure, high pressure warning function. Dc voltage measurement allows your vehicle to work at normal voltage and prolongs the service life of the vehicle. Led panel digital display, second reading, more intuitive, fast, convenient. Small size, easy to carry, do not hinder riding, ensure your safety riding. Easy to installl and equipped with the necessary accessories, fixed the meter in the appropriate position, fixed firmly and not easy to move, suitable for voltage inspection. Made of high quality materials, flame retardant, environmental protection, safety and durability. Norms: Norms: Voltage: DC 6V - 30V Function: voltmeter+electronic clock+thermometer Display mode: LED Material: acrylic Waterproof level: IP67 Color: black Power cord length: 1.2m Led color: red/blue/green optional Packaging size: 11x10 x 10cm/4.33x3.94x3.94 in Packing weight: 55g/1.94 oz Packing list: 1 x voltmeter Mode of connection: Red wire connects to battery cathode, black wire to battery cathode, blue line to main power switch Flashing warning function of low pressure (below 12V) and high pressure (above 16V)