... . 4×”AA” (1.5V) batteries offered for free.* LED light flashes indicate different meanings.3. Production Materials:* Cold rolled sheet ... rusting, anti-corrosion.* Finish style: wrinkle, texture, glossing.* Colors: light grey, dark grey, black, and also brilliant blue, red, orange, brown.5. ... ~6 digital electronic hotel safe box with LED dispaly ,light keypad ,override key,100 records,warranty one year