Quick tips about Singapore
Official Currency: Singapore Dollar (SGD or SG$). Many places accept cash or credit card but smaller vendors and hawker stalls accept cash payment only.
Electricity: The standard voltage is 230V. The power socket is type G. Check here to determine if you need to bring a travel adapter.
Data and Wifi: Purchase prepaid SIM card at Changi Airport, individual phone retail stores across Singapore and 7-Eleven. Buy either Singtel prepaid card or StarHub prepaid card.