Description: 1.This Advanced version with remote control and LED backlight. 2. Use 5V (Mic USB) power supply, low power consumption, only about 2W 3. Use DS3231M real-time clock, built-in crystal oscillator, accurate timing, 4. Small size, size: 14.5*4cm 5. With time switch function. Tips: This clock without tubes, battery and power supply, Supportable QS30-1, SZ-8, SZ3-1, ZM1020 tubes, you can prepare as you like. Parameters: Dimensions: (L)144mm*(W)45mm*(H)39mm Input voltage: 3.3V~5.5V DC Operating Current: About 430mA (@5V) Glow tube anode voltage: 170V Total power consumption: about 2.15W (@5V) Package includes: 1X Glow Clock With RGB LED backlight (without Tubes) 1X Remote control(Without battery)