scale size 29*26*8,power supply 2*1.5v aabattery or external dc 4.5-6vadopterliquid crystals displai :82*40mm16batton operation panel with buzzer prompthigh-precision micro computer program control.high sensivity sensor circuit design micro-power saving modeoperational:;;;;;*plase use the product on aflat surface;level surface free from vibration *press on/off button shortly and scale detects its loan and auto-zero itself.press on/off button shotry and the scale is offscale size 29*26*8,power supply 2*1.5v aabattery or external dc 4.5-6vadopterliquid crystals displai :82*40mm16batton operation panel with buzzer prompthigh-precision micro computer program control.high sensivity sensor circuit design micro-power saving modeoperational:;;;;;*plase use the product on aflat surface;level surface free from vibration *press on/off button shortly and scale detects its loan and auto-zero itself.press on/off button shotry and the scale is offscale size 29*26*8,power supply 2*1.5v aabattery or external dc 4.5-6vadopterliquid crystals displai :82*40mm16batton operation panel with buzzer prompthigh-precision micro computer program control.high sensivity sensor circuit design micro-power saving modeoperational:;;;;;*plase use the product on aflat surface;level surface free from vibration *press on/off button shortly and scale detects its loan and auto-zero itself.press on/off button shotry and the scale is offscale size 29*26*8,power supply 2*1.5v aabattery or external dc 4.5-6vadopterliquid crystals displai :82*40mm16batton operation panel with buzzer prompthigh-precision micro computer program control.high sensivity sensor circuit design micro-power saving modeoperational:;;;;;*plase use the product on aflat surface;level surface free from vibration *press on/off button shortly and scale detects its loan and auto-zero itself.press on/off button shotry and the scale is offscale size 29*26*8,power supply 2*1.5v aabattery or external dc 4.5-6vadopterliquid crystals display:82*40mm16batton operation panel with buzzer prompt high-precision micro computer program control.high sensor circuit design micro-power saving model operational:;;;;;*place use the product on a flat surface;level surface free from vibration *press on/off button shortly and scale detects its loan and auto-zero itself.press on/off button shotry and the scale is off